import * as z from "zod/v4";
import { jsonResult, errorResult } from "../utils/response-formatter.js";
import { isUserError, isUserFixableApiError, toMcpError } from "../utils/errors.js";
import { confirmViaElicitation } from "../utils/elicitation.js";
import { applyUrlDefaults } from "../utils/url-parser.js";
import { asString, isRecord, coerceRecord } from "../utils/type-guards.js";
import { resourceScopeSchema, resourceTypeSchema } from "./input-schemas.js";
import { updateOutputSchema } from "./output-schemas.js";
export function registerUpdateTool(server, registry, client, config) {
    const updatableTypes = registry.getTypesForOperation("update");
    server.registerTool("harness_update", {
        description: "Update an existing Harness resource. For pipelines/input sets: pass body as a YAML string directly (recommended for complex definitions), or use body.yamlPipeline/body.pipeline. You can pass a Harness URL to auto-extract identifiers. Response includes openInHarness link to the updated resource when applicable.",
        inputSchema: {
            resource_type: resourceTypeSchema(updatableTypes).describe("The type of resource to update"),
            resource_id: z.string().describe("The identifier of the resource to update"),
            url: z.string().describe("A Harness UI URL — org, project, resource type, and ID are extracted automatically").optional(),
            resource_scope: resourceScopeSchema,
            body: z.union([
                z.record(z.string(), z.unknown()),
                z.string(),
            ]).describe("The updated resource definition body. For pipelines: pass a YAML string directly, or an object with yamlPipeline (YAML string) or pipeline (JSON object)"),
            org_id: z.string().describe("Organization identifier (overrides default)").optional(),
            project_id: z.string().describe("Project identifier (overrides default)").optional(),
            params: z.record(z.string(), z.unknown()).describe("Additional identifiers (e.g. pipeline_id for triggers/input sets, version_label for templates).").optional(),
        },
        outputSchema: updateOutputSchema,
        annotations: {
            title: "Update Harness Resource",
            readOnlyHint: false,
            destructiveHint: true,
            idempotentHint: true,
            openWorldHint: true,
        },
    }, async (args) => {
        try {
            // Validate resource_type and operation before asking user to confirm
            const def = registry.getResource(args.resource_type);
            if (!def.operations.update) {
                return errorResult(`Resource "${args.resource_type}" does not support "update". Supported: ${Object.keys(def.operations).join(", ")}`);
            }
            const risk = def.operations.update.operationPolicy.risk;
            const bodyPreview = typeof args.body === "string"
                ? (args.body.length > 500 ? args.body.slice(0, 500) + "\n...(truncated)" : args.body)
                : JSON.stringify(args.body, null, 2);
            const elicit = await confirmViaElicitation({
                server,
                toolName: "harness_update",
                message: `Update ${args.resource_type} "${args.resource_id}"?\n\n${bodyPreview}`,
                risk,
                autoApproveRisk: config?.HARNESS_AUTO_APPROVE_RISK,
            });
            if (!elicit.proceed) {
                return errorResult(`Operation ${elicit.reason} by user.`);
            }
            const { params, body, ...rest } = args;
            const coercedBody = typeof body === "string" ? (coerceRecord(body) ?? body) : body;
            const input = applyUrlDefaults({ ...rest, body: coercedBody }, args.url);
            const coercedParams = coerceRecord(params);
            if (coercedParams)
                Object.assign(input, coercedParams);
            const identFields = def.identifierFields;
            const primaryField = identFields.length > 1
                ? identFields[identFields.length - 1]
                : identFields[0];
            if (primaryField && args.resource_id) {
                input[primaryField] = args.resource_id;
            }
            const versionLabel = asString(input.version_label);
            if (versionLabel) { /* already set via params */ }
            else if (isRecord(args.body) && "version_label" in args.body) {
                input.version_label = args.body.version_label;
            }
            else if (args.resource_type === "template") {
                input.version_label = "v1";
            }
            const result = await registry.dispatch(client, args.resource_type, "update", input, { tool: "harness_update", confirmation: elicit.method, resource_id: args.resource_id });
            return jsonResult(result);
        }
        catch (err) {
            if (isUserError(err))
                return errorResult(err.message);
            if (isUserFixableApiError(err))
                return errorResult(err.message);
            throw toMcpError(err);
        }
    });
}
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