# All files / src/components/panels EnvironmentEditPanel.tsx

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     import { useState, useCallback, type JSX } from "react";
    import type { ToastVariant } from "../../context/ToastContext.js";
    import type {
      Environment,
      Codespace,
      DockerContainer,
      GitHubAccountData,
    } from "../../hooks/types.js";
    import { ENVIRONMENTS_URL, environmentUrl, useAppNavigate } from "../../utils/navigation.js";
    import { EditableTextField } from "../editable/EditableTextField.js";
    import styles from "./EnvironmentEditPanel.module.scss";

    /** Minimum valid network port. */
    const MIN_PORT: number = 1;
    /** Maximum valid network port. */
    const MAX_PORT: number = 65535;

    /** Props for the EnvironmentEditPanel component. */
    interface Props {
      mode: "new" | "edit";
      /** Environment ID — required in edit mode. */
      environmentId?: string;
      /** All environments (for lookup in edit mode). */
      environments: Environment[];
      /** All registered GitHub accounts for the account selector. */
      githubAccounts: GitHubAccountData[];
      /** Callback to add a new environment. */
      onAddEnvironment: (
        displayName: string,
        adapterType: string,
        adapterConfig?: Record<string, unknown>,
        githubAccountId?: string,
      ) => void;
      /** Callback to update an existing environment. */
      onUpdateEnvironment: (
        environmentId: string,
        fields: {
          displayName?: string;
          adapterConfig?: Record<string, unknown>;
          githubAccountId?: string;
        },
      ) => void;
      /** Callback to list available codespaces, optionally filtered by GitHub account. */
      onListCodespaces: (githubAccountId?: string) => void;
      /** Available codespaces. */
      codespaces: Codespace[];
      /** Error from codespace operations. */
      codespaceError: string;
      /** Error from listing codespaces. */
      codespaceListError: string;
      /** Whether a codespace is being created. */
      codespaceCreating: boolean;
      /** Callback to create a new codespace. */
      onCreateCodespace: (repo: string, machine?: string) => void;
      /** Callback to list running Docker containers available to attach to. */
      onListDockerContainers: () => void;
      /** Running Docker containers available to attach to (docker attach mode). */
      dockerContainers: DockerContainer[];
      /** Non-fatal error from listing Docker containers (e.g. docker CLI unavailable). */
      dockerContainersError: string;
      /** Display a toast notification. */
      onShowToast?: (message: string, variant?: ToastVariant) => void;
    }

    /** Returns true if portStr is empty (optional) or a valid integer in [1, 65535]. */
    function isPortValid(portStr: string): boolean {
      if (!portStr.trim()) {
        return true;
      }
      const n = Number(portStr);
      return Number.isInteger(n) && n >= MIN_PORT && n <= MAX_PORT;
    }

    /** Parse adapter config JSON string into a record, defaulting to empty object. */
    function parseAdapterConfig(raw: string): Record<string, unknown> {
      try {
        const parsed: unknown = JSON.parse(raw);
        if (typeof parsed === "object" && parsed !== null && !Array.isArray(parsed)) {
          return parsed as Record<string, unknown>;
        }
      } catch {
        // fall through
      }
      return {};
    }

    // ─── Codespace Picker ─────────────────────────────────────────────────────────

    interface CodespacePickerProps {
      codespaceName: string;
      onCodespaceNameChange: (name: string) => void;
      envName: string;
      onEnvNameChange: (name: string) => void;
      /** Available codespaces. */
      codespaces: Codespace[];
      /** Error from codespace operations. */
      codespaceError: string;
      /** Error from listing codespaces. */
      codespaceListError: string;
      /** Whether a codespace is being created. */
      codespaceCreating: boolean;
      /** Callback to create a new codespace. */
      onCreateCodespace: (repo: string, machine?: string) => void;
    }

    /** Codespace picker subcomponent — pick an existing or create a new codespace. */
    function CodespacePicker({
      codespaceName,
      onCodespaceNameChange,
      envName,
      onEnvNameChange,
      codespaces,
      codespaceError,
      codespaceListError,
      codespaceCreating,
      onCreateCodespace,
    }: CodespacePickerProps): JSX.Element {
      const [mode, setMode] = useState<"pick" | "create">("pick");
      const [createRepo, setCreateRepo] = useState("");
      const [createMachine, setCreateMachine] = useState("");

      Iif (mode === "create") {
        return (
          <div className={styles.codespaceSection}>
            <div className={styles.section}>
              <label className={styles.label}>Repository</label>
              <input
                type="text"
                value={createRepo}
                onChange={(e) => setCreateRepo(e.target.value)}
                placeholder="owner/repo"
                className={styles.fieldInput}
                data-testid="env-codespace-repo"
              />
            </div>
            <div className={styles.section}>
              <label className={styles.label}>Machine Type</label>
              <input
                type="text"
                value={createMachine}
                onChange={(e) => setCreateMachine(e.target.value)}
                placeholder="Machine type (optional)..."
                className={styles.fieldInput}
                data-testid="env-codespace-machine"
              />
            </div>
            <div className={styles.codespaceActions}>
              <button
                onClick={() => {
                  Iif (createRepo.trim()) {
                    onCreateCodespace(createRepo.trim(), createMachine.trim() || undefined);
                    setMode("pick");
                    setCreateRepo("");
                    setCreateMachine("");
                  }
                }}
                disabled={!createRepo.trim()}
                className={styles.btnPrimary}
              >
                Create
              </button>
              <button
                onClick={() => {
                  setMode("pick");
                  setCreateRepo("");
                  setCreateMachine("");
                }}
                className={styles.btnGhost}
              >
                Cancel
              </button>
            </div>
          </div>
        );
      }

      return (
        <div className={styles.codespaceSection}>
          <div className={styles.section}>
            <label className={styles.label}>Codespace</label>
            {!codespaceListError && (
              <select
                value={codespaceName}
                onChange={(e) => {
                  if (e.target.value === "__create__") {
                    setMode("create");
                    onCodespaceNameChange("");
                  } else {
                    onCodespaceNameChange(e.target.value);
                    Iif (e.target.value && !envName.trim()) {
                      onEnvNameChange(e.target.value);
                    }
                  }
                }}
                disabled={codespaceCreating}
                className={styles.adapterSelect}
                data-testid="env-codespace-select"
              >
                <option value="">Select a codespace...</option>
                {codespaces.map((cs) => (
                  <option key={cs.name} value={cs.name}>
                    {cs.name} ({cs.repository}) — {cs.state}
                  </option>
                ))}
                <option value="__create__">Create new from repo...</option>
              </select>
            )}
            {codespaceCreating && <span className={styles.creatingHint}>Creating codespace...</span>}
            {codespaceListError && (
              <>
                <span className={styles.errorHint}>{codespaceListError}</span>
                <input
                  type="text"
                  value={codespaceName}
                  onChange={(e) => onCodespaceNameChange(e.target.value)}
                  placeholder="Or enter codespace name manually..."
                  className={styles.fieldInput}
                  data-testid="env-codespace-manual"
                />
              </>
            )}
            {codespaceError && !codespaceListError && (
              <span className={styles.errorHint}>{codespaceError}</span>
            )}
          </div>
        </div>
      );
    }

    // ─── Main component ───────────────────────────────────────────────────────────

    /**
     * Full-panel create/edit form for environments.
     *
     * - new: blank form; calls addEnvironment on save, then navigates to settings.
     * - edit: pre-populated form; uses click-to-edit fields that auto-save via
     *         updateEnvironment.
     */
    export function EnvironmentEditPanel({
      mode,
      environmentId,
      environments,
      githubAccounts,
      onAddEnvironment,
      onUpdateEnvironment,
      onListCodespaces,
      codespaces,
      codespaceError,
      codespaceListError,
      codespaceCreating,
      onCreateCodespace,
      onListDockerContainers,
      dockerContainers,
      dockerContainersError,
      onShowToast,
    }: Props): JSX.Element {
      const navigate = useAppNavigate();

      const isEdit = mode === "edit";
      const existingEnv =
        isEdit && environmentId ? environments.find((e) => e.id === environmentId) : undefined;

      // ─── Create mode state ─────────────────────────────

      const [envName, setEnvName] = useState("");
      const [adapterType, setAdapterType] = useState("local");
      const [host, setHost] = useState("");
      const [port, setPort] = useState("");
      const [user, setUser] = useState("");
      const [identityFile, setIdentityFile] = useState("");
      const [image, setImage] = useState("");
      const [repo, setRepo] = useState("");
      const [codespaceName, setCodespaceName] = useState("");
      const [githubAccountId, setGithubAccountId] = useState("");
      // Docker: "create" a new container vs "attach" to an existing one (issue #1223).
      const [dockerMode, setDockerMode] = useState<"create" | "attach">("create");
      const [attachContainer, setAttachContainer] = useState("");

      // ─── Edit mode state ───────────────────────────────

      const [activeFieldId, setActiveFieldId] = useState<string | null>(null);

      // ─── Helpers ───────────────────────────────────────

      /** Build adapter config object from create-mode form state. */
      const buildCreateConfig = useCallback((): Record<string, unknown> => {
        const config: Record<string, unknown> = {};
        Iif (adapterType === "local") {
          Iif (host.trim()) {
            config.host = host.trim();
          }
          Iif (port.trim()) {
            const n = Number(port);
            Iif (Number.isInteger(n)) {
              config.port = n;
            }
          }
        I} else if (adapterType === "ssh") {
          config.host = host.trim();
          Iif (user.trim()) {
            config.user = user.trim();
          }
          Iif (port.trim()) {
            const n = Number(port);
            Iif (Number.isInteger(n)) {
              config.sshPort = n;
            }
          }
          Iif (identityFile.trim()) {
            config.identityFile = identityFile.trim();
          }
        } else if (adapterType === "docker") {
          if (dockerMode === "attach") {
            // Attach mode: target an existing container; image/repo are ignored.
            if (attachContainer.trim()) {
              config.attach = attachContainer.trim();
            }
          } else E{
            Iif (image.trim()) {
              config.image = image.trim();
            }
            Iif (repo.trim()) {
              config.repo = repo.trim();
            }
          }
        IE} else if (adapterType === "codespace") {
          config.codespaceName = codespaceName.trim();
        }
        return config;
      }, [
        adapterType,
        host,
        port,
        user,
        identityFile,
        image,
        repo,
        codespaceName,
        dockerMode,
        attachContainer,
      ]);

      const isCreateValid = (): boolean => {
        if (!envName.trim()) {
          return false;
        }
        if (adapterType === "ssh" && !host.trim()) {
          return false;
        }
        if (adapterType === "codespace" && !codespaceName.trim()) {
          return false;
        }
        Iif (adapterType === "docker" && dockerMode === "attach" && !attachContainer.trim()) {
          return false;
        }
        if ((adapterType === "local" || adapterType === "ssh") && !isPortValid(port)) {
          return false;
        }
        return true;
      };

      const handleCreate = (): void => {
        Iif (!isCreateValid()) {
          return;
        }
        onAddEnvironment(
          envName.trim(),
          adapterType,
          buildCreateConfig(),
          githubAccountId || undefined,
        );
        onShowToast?.("Environment added successfully", "success");
        navigate(ENVIRONMENTS_URL, { replace: true });
      };

      const handleCancel = (): void => {
        if (environmentId) {
          navigate(environmentUrl(environmentId));
        } else {
          navigate(ENVIRONMENTS_URL);
        }
      };

      /** Save a single config field in edit mode by merging into existing adapterConfig. */
      const saveConfigField = useCallback(
        (fieldName: string, value: string) => {
          Iif (!existingEnv || !environmentId) {
            return;
          }
          const current = parseAdapterConfig(existingEnv.adapterConfig);
          const trimmed = value.trim();
          if (trimmed) {
            current[fieldName] = trimmed;
          } else {
            delete current[fieldName];
          }
          onUpdateEnvironment(environmentId, { adapterConfig: current });
        },
        [existingEnv, environmentId, onUpdateEnvironment],
      );

      /** Save a numeric config field in edit mode. */
      const saveConfigNumberField = useCallback(
        (fieldName: string, value: string) => {
          Iif (!existingEnv || !environmentId) {
            return;
          }
          const current = parseAdapterConfig(existingEnv.adapterConfig);
          if (value.trim()) {
            const n = Number(value);
            Iif (Number.isInteger(n) && n >= MIN_PORT && n <= MAX_PORT) {
              current[fieldName] = n;
            }
          } else {
            delete current[fieldName];
          }
          onUpdateEnvironment(environmentId, { adapterConfig: current });
        },
        [existingEnv, environmentId, onUpdateEnvironment],
      );

      // ─── Edit mode ─────────────────────────────────────

      if (isEdit) {
        Iif (!existingEnv) {
          return (
            <div className={styles.container}>
              <div className={styles.header}>
                <div className={styles.headerTitle}>
                  <span className={styles.badge}>edit environment</span>
                </div>
                <div className={styles.headerActions}>
                  <button onClick={handleCancel} className={styles.btnGhost}>
                    Back
                  </button>
                </div>
              </div>
              <div className={styles.body}>
                <div className={styles.formContent}>
                  <span className={styles.readOnlyValue}>Environment not found</span>
                </div>
              </div>
            </div>
          );
        }

        const config = parseAdapterConfig(existingEnv.adapterConfig);

        return (
          <div className={styles.container} data-testid="env-edit-panel">
            {/* Header */}
            <div className={styles.header}>
              <div className={styles.headerTitle}>
                <span className={styles.badge}>edit environment</span>
              </div>
              <div className={styles.headerActions}>
                <button onClick={handleCancel} className={styles.btnGhost} data-testid="env-edit-back">
                  Back
                </button>
              </div>
            </div>

            {/* Form body */}
            <div className={styles.body}>
              <div className={styles.formContent}>
                {/* Name */}
                <div className={styles.section}>
                  <label className={styles.label}>Name</label>
                  <EditableTextField
                    value={existingEnv.displayName}
                    onSave={(value) => {
                      Iif (environmentId) {
                        onUpdateEnvironment(environmentId, { displayName: value });
                      }
                    }}
                    validate={(v) => (v.trim() === "" ? "Name cannot be empty" : undefined)}
                    mode="edit"
                    fieldId="name"
                    activeFieldId={activeFieldId}
                    onActivate={setActiveFieldId}
                    placeholder="Environment name"
                    ariaLabel="Environment name"
                    data-testid="env-edit-name"
                  />
                </div>

                {/* Adapter Type (read-only) */}
                <div className={styles.section}>
                  <label className={styles.label}>Adapter Type</label>
                  <span className={styles.readOnlyValue} data-testid="env-edit-adapter-type">
                    {existingEnv.adapterType}
                  </span>
                </div>

                {/* GitHub Account (codespace and docker only). Show when accounts are
                    registered OR when the env already has an account association so
                    the user can clear it even if the referenced account was removed. */}
                {(existingEnv.adapterType === "codespace" || existingEnv.adapterType === "docker") &&
                  (githubAccounts.length > 0 || Boolean(existingEnv.githubAccountId)) && (
                    <div className={styles.section}>
                      <label className={styles.label}>GitHub Account</label>
                      <select
                        value={existingEnv.githubAccountId || ""}
                        onChange={(e) => {
                          Iif (environmentId) {
                            onUpdateEnvironment(environmentId, { githubAccountId: e.target.value });
                          }
                        }}
                        className={styles.adapterSelect}
                        data-testid="env-edit-github-account"
                      >
                        <option value="">(Default)</option>
                        {githubAccounts.map((a) => (
                          <option key={a.id} value={a.id}>
                            {a.label}
                            {a.username ? ` (@${a.username})` : ""}
                            {a.isDefault ? " — default" : ""}
                          </option>
                        ))}
                      </select>
                    </div>
                  )}

                {/* Adapter-specific editable fields */}
                {existingEnv.adapterType === "local" && (
                  <>
                    <div className={styles.section}>
                      <label className={styles.label}>Host</label>
                      <EditableTextField
                        value={String(config.host ?? "")}
                        onSave={(v) => saveConfigField("host", v)}
                        mode="edit"
                        fieldId="host"
                        activeFieldId={activeFieldId}
                        onActivate={setActiveFieldId}
                        placeholder="(default)"
                        ariaLabel="Host"
                        data-testid="env-edit-host"
                      />
                    </div>
                    <div className={styles.section}>
                      <label className={styles.label}>Port</label>
                      <EditableTextField
                        value={String(config.port ?? "")}
                        onSave={(v) => saveConfigNumberField("port", v)}
                        validate={(v) => (!isPortValid(v) ? "Port must be 1-65535" : undefined)}
                        mode="edit"
                        fieldId="port"
                        activeFieldId={activeFieldId}
                        onActivate={setActiveFieldId}
                        placeholder="(default)"
                        ariaLabel="Port"
                        data-testid="env-edit-port"
                      />
                    </div>
                  </>
                )}

                {existingEnv.adapterType === "ssh" && (
                  <>
                    <div className={styles.section}>
                      <label className={styles.label}>Host</label>
                      <EditableTextField
                        value={String(config.host ?? "")}
                        onSave={(v) => saveConfigField("host", v)}
                        validate={(v) => (v.trim() === "" ? "Host is required" : undefined)}
                        mode="edit"
                        fieldId="host"
                        activeFieldId={activeFieldId}
                        onActivate={setActiveFieldId}
                        placeholder="hostname or IP"
                        ariaLabel="Host"
                        data-testid="env-edit-host"
                      />
                    </div>
                    <div className={styles.section}>
                      <label className={styles.label}>User</label>
                      <EditableTextField
                        value={String(config.user ?? "")}
                        onSave={(v) => saveConfigField("user", v)}
                        mode="edit"
                        fieldId="user"
                        activeFieldId={activeFieldId}
                        onActivate={setActiveFieldId}
                        placeholder="(default)"
                        ariaLabel="User"
                        data-testid="env-edit-user"
                      />
                    </div>
                    <div className={styles.section}>
                      <label className={styles.label}>SSH Port</label>
                      <EditableTextField
                        value={String(config.sshPort ?? "")}
                        onSave={(v) => saveConfigNumberField("sshPort", v)}
                        validate={(v) => (!isPortValid(v) ? "Port must be 1-65535" : undefined)}
                        mode="edit"
                        fieldId="sshPort"
                        activeFieldId={activeFieldId}
                        onActivate={setActiveFieldId}
                        placeholder="22"
                        ariaLabel="SSH Port"
                        data-testid="env-edit-ssh-port"
                      />
                    </div>
                    <div className={styles.section}>
                      <label className={styles.label}>Identity File</label>
                      <EditableTextField
                        value={String(config.identityFile ?? "")}
                        onSave={(v) => saveConfigField("identityFile", v)}
                        mode="edit"
                        fieldId="identityFile"
                        activeFieldId={activeFieldId}
                        onActivate={setActiveFieldId}
                        placeholder="~/.ssh/id_rsa"
                        ariaLabel="Identity File"
                        data-testid="env-edit-identity-file"
                      />
                    </div>
                  </>
                )}

                {existingEnv.adapterType === "docker" && config.attach !== undefined && (
                  <div className={styles.section}>
                    <label className={styles.label}>Attach (container)</label>
                    <EditableTextField
                      value={String(config.attach ?? "")}
                      onSave={(v) => saveConfigField("attach", v)}
                      validate={(v) => (v.trim() === "" ? "Container name is required" : undefined)}
                      mode="edit"
                      fieldId="attach"
                      activeFieldId={activeFieldId}
                      onActivate={setActiveFieldId}
                      placeholder="container name or ID"
                      ariaLabel="Attach container"
                      data-testid="env-edit-attach"
                    />
                  </div>
                )}

                {existingEnv.adapterType === "docker" && config.attach === undefined && (
                  <>
                    <div className={styles.section}>
                      <label className={styles.label}>Image</label>
                      <EditableTextField
                        value={String(config.image ?? "")}
                        onSave={(v) => saveConfigField("image", v)}
                        mode="edit"
                        fieldId="image"
                        activeFieldId={activeFieldId}
                        onActivate={setActiveFieldId}
                        placeholder="(default)"
                        ariaLabel="Image"
                        data-testid="env-edit-image"
                      />
                    </div>
                    <div className={styles.section}>
                      <label className={styles.label}>Repo</label>
                      <EditableTextField
                        value={String(config.repo ?? "")}
                        onSave={(v) => saveConfigField("repo", v)}
                        mode="edit"
                        fieldId="repo"
                        activeFieldId={activeFieldId}
                        onActivate={setActiveFieldId}
                        placeholder="(none)"
                        ariaLabel="Repo"
                        data-testid="env-edit-repo"
                      />
                    </div>
                  </>
                )}

                {existingEnv.adapterType === "codespace" && (
                  <div className={styles.section}>
                    <label className={styles.label}>Codespace Name</label>
                    <EditableTextField
                      value={String(config.codespaceName ?? "")}
                      onSave={(v) => saveConfigField("codespaceName", v)}
                      validate={(v) => (v.trim() === "" ? "Codespace name is required" : undefined)}
                      mode="edit"
                      fieldId="codespaceName"
                      activeFieldId={activeFieldId}
                      onActivate={setActiveFieldId}
                      placeholder="codespace-name"
                      ariaLabel="Codespace Name"
                      data-testid="env-edit-codespace-name"
                    />
                  </div>
                )}
              </div>
            </div>
          </div>
        );
      }

      // ─── Create mode ───────────────────────────────────

      return (
        <div className={styles.container} data-testid="env-create-panel">
          {/* Header */}
          <div className={styles.header}>
            <div className={styles.headerTitle}>
              <span className={styles.badge}>new environment</span>
            </div>
            <div className={styles.headerActions}>
              <button
                onClick={handleCreate}
                disabled={!isCreateValid()}
                className={styles.btnPrimary}
                data-testid="env-create-submit"
              >
                Create
              </button>
              <button onClick={handleCancel} className={styles.btnGhost}>
                Cancel
              </button>
            </div>
          </div>

          {/* Form body */}
          <div className={styles.body}>
            <div className={styles.formContent}>
              {/* Name */}
              <div className={styles.section}>
                <label className={styles.label} htmlFor="env-create-name">
                  Name
                </label>
                <input
                  id="env-create-name"
                  type="text"
                  value={envName}
                  onChange={(e) => setEnvName(e.target.value)}
                  placeholder="Environment name..."
                  autoFocus
                  className={styles.nameInput}
                  data-testid="env-create-name"
                  onKeyDown={(e) => {
                    Iif (e.key === "Enter" && isCreateValid()) {
                      handleCreate();
                    }
                  }}
                />
              </div>

              {/* Adapter Type */}
              <div className={styles.section}>
                <label className={styles.label} htmlFor="env-create-adapter">
                  Adapter Type
                </label>
                <select
                  id="env-create-adapter"
                  value={adapterType}
                  onChange={(e) => {
                    setAdapterType(e.target.value);
                    if (e.target.value === "codespace") {
                      onListCodespaces(githubAccountId || undefined);
                    }
                  }}
                  className={styles.adapterSelect}
                  data-testid="env-create-adapter"
                >
                  <option value="local">local</option>
                  <option value="ssh">ssh</option>
                  <option value="docker">docker</option>
                  <option value="codespace">codespace</option>
                </select>
              </div>

              {/* GitHub Account (codespace and docker only) */}
              {(adapterType === "codespace" || adapterType === "docker") &&
                githubAccounts.length > 0 && (
                  <div className={styles.section}>
                    <label className={styles.label} htmlFor="env-create-github-account">
                      GitHub Account
                    </label>
                    <select
                      id="env-create-github-account"
                      value={githubAccountId}
                      onChange={(e) => {
                        setGithubAccountId(e.target.value);
                        Iif (adapterType === "codespace") {
                          onListCodespaces(e.target.value || undefined);
                        }
                      }}
                      className={styles.adapterSelect}
                      data-testid="env-create-github-account"
                    >
                      <option value="">(Default)</option>
                      {githubAccounts.map((a) => (
                        <option key={a.id} value={a.id}>
                          {a.label} (@{a.username}){a.isDefault ? " — default" : ""}
                        </option>
                      ))}
                    </select>
                  </div>
                )}

              {/* Adapter-specific fields */}
              {adapterType === "local" && (
                <>
                  <div className={styles.section}>
                    <label className={styles.label} htmlFor="env-create-host">
                      Host
                    </label>
                    <input
                      id="env-create-host"
                      type="text"
                      value={host}
                      onChange={(e) => setHost(e.target.value)}
                      placeholder="Host (optional)..."
                      className={styles.fieldInput}
                      data-testid="env-create-host"
                    />
                  </div>
                  <div className={styles.section}>
                    <label className={styles.label} htmlFor="env-create-port">
                      Port
                    </label>
                    <input
                      id="env-create-port"
                      type="number"
                      min={MIN_PORT}
                      max={MAX_PORT}
                      value={port}
                      onChange={(e) => setPort(e.target.value)}
                      placeholder="Port (optional)..."
                      className={styles.fieldInput}
                      data-testid="env-create-port"
                    />
                  </div>
                </>
              )}

              {adapterType === "ssh" && (
                <>
                  <div className={styles.section}>
                    <label className={styles.label} htmlFor="env-create-host">
                      Host
                    </label>
                    <input
                      id="env-create-host"
                      type="text"
                      value={host}
                      onChange={(e) => setHost(e.target.value)}
                      placeholder="Host (required)..."
                      className={styles.fieldInput}
                      data-testid="env-create-host"
                    />
                  </div>
                  <div className={styles.section}>
                    <label className={styles.label} htmlFor="env-create-user">
                      User
                    </label>
                    <input
                      id="env-create-user"
                      type="text"
                      value={user}
                      onChange={(e) => setUser(e.target.value)}
                      placeholder="User (optional)..."
                      className={styles.fieldInput}
                      data-testid="env-create-user"
                    />
                  </div>
                  <div className={styles.section}>
                    <label className={styles.label} htmlFor="env-create-port">
                      SSH Port
                    </label>
                    <input
                      id="env-create-port"
                      type="number"
                      min={MIN_PORT}
                      max={MAX_PORT}
                      value={port}
                      onChange={(e) => setPort(e.target.value)}
                      placeholder="SSH port (optional)..."
                      className={styles.fieldInput}
                      data-testid="env-create-port"
                    />
                  </div>
                  <div className={styles.section}>
                    <label className={styles.label} htmlFor="env-create-identity">
                      Identity File
                    </label>
                    <input
                      id="env-create-identity"
                      type="text"
                      value={identityFile}
                      onChange={(e) => setIdentityFile(e.target.value)}
                      placeholder="Identity file (optional)..."
                      className={styles.fieldInput}
                      data-testid="env-create-identity"
                    />
                  </div>
                </>
              )}

              {adapterType === "docker" && (
                <>
                  <div className={styles.section}>
                    <label className={styles.label} htmlFor="env-docker-mode">
                      Source
                    </label>
                    <select
                      id="env-docker-mode"
                      value={dockerMode}
                      onChange={(e) => {
                        const next = e.target.value as "create" | "attach";
                        setDockerMode(next);
                        if (next === "attach") {
                          onListDockerContainers();
                        }
                      }}
                      className={styles.adapterSelect}
                      data-testid="env-docker-mode"
                    >
                      <option value="create">Create new container</option>
                      <option value="attach">Attach to existing container</option>
                    </select>
                  </div>

                  {dockerMode === "create" ? (
                    <>
                      <div className={styles.section}>
                        <label className={styles.label} htmlFor="env-create-image">
                          Image
                        </label>
                        <input
                          id="env-create-image"
                          type="text"
                          value={image}
                          onChange={(e) => setImage(e.target.value)}
                          placeholder="Image (optional)..."
                          className={styles.fieldInput}
                          data-testid="env-create-image"
                        />
                      </div>
                      <div className={styles.section}>
                        <label className={styles.label} htmlFor="env-create-repo">
                          Repo
                        </label>
                        <input
                          id="env-create-repo"
                          type="text"
                          value={repo}
                          onChange={(e) => setRepo(e.target.value)}
                          placeholder="Repo (optional)..."
                          className={styles.fieldInput}
                          data-testid="env-create-repo"
                        />
                      </div>
                    </>
                  ) : (
                    <div className={styles.section}>
                      <label className={styles.label}>Container</label>
                      {!dockerContainersError && dockerContainers.length > 0 && (
                        <select
                          value={attachContainer}
                          onChange={(e) => {
                            setAttachContainer(e.target.value);
                            if (e.target.value && !envName.trim()) {
                              setEnvName(e.target.value);
                            }
                          }}
                          className={styles.adapterSelect}
                          data-testid="env-docker-container-select"
                        >
                          <option value="">Select a container...</option>
                          {dockerContainers.map((c) => (
                            <option key={c.id} value={c.name}>
                              {c.name} ({c.image}) {c.status}
                            </option>
                          ))}
                        </select>
                      )}
                      {/* Manual entry fallback: shown on listing error OR when no running
                          containers were found, so the user is never stuck with an empty picker. */}
                      {(dockerContainersError || dockerContainers.length === 0) && (
                        <>
                          {dockerContainersError ? (
                            <span className={styles.errorHint}>{dockerContainersError}</span>
                          ) : (
                            <span className={styles.creatingHint}>No running containers found.</span>
                          )}
                          <input
                            type="text"
                            value={attachContainer}
                            onChange={(e) => {
                              setAttachContainer(e.target.value);
                              if (e.target.value && !envName.trim()) {
                                setEnvName(e.target.value);
                              }
                            }}
                            placeholder="Enter container name/ID..."
                            className={styles.fieldInput}
                            data-testid="env-docker-container-manual"
                          />
                        </>
                      )}
                    </div>
                  )}
                </>
              )}

              {adapterType === "codespace" && (
                <CodespacePicker
                  codespaceName={codespaceName}
                  onCodespaceNameChange={setCodespaceName}
                  envName={envName}
                  onEnvNameChange={setEnvName}
                  codespaces={codespaces}
                  codespaceError={codespaceError}
                  codespaceListError={codespaceListError}
                  codespaceCreating={codespaceCreating}
                  onCreateCodespace={onCreateCodespace}
                />
              )}
            </div>
          </div>
        </div>
      );
    }