import { Container, Markdown, Spacer, Text } from "@earendil-works/pi-tui";
import { getMarkdownTheme, theme } from "../theme/theme.js";
const OSC133_ZONE_START = "\x1b]133;A\x07";
const OSC133_ZONE_END = "\x1b]133;B\x07";
const OSC133_ZONE_FINAL = "\x1b]133;C\x07";
/**
 * Component that renders a complete assistant message
 */
export class AssistantMessageComponent extends Container {
    constructor(message, hideThinkingBlock = false, markdownTheme = getMarkdownTheme(), hiddenThinkingLabel = "Thinking...", outputPad = 1) {
        super();
        this.hasToolCalls = false;
        this.hideThinkingBlock = hideThinkingBlock;
        this.markdownTheme = markdownTheme;
        this.hiddenThinkingLabel = hiddenThinkingLabel;
        this.outputPad = outputPad;
        // Container for text/thinking content
        this.contentContainer = new Container();
        this.addChild(this.contentContainer);
        if (message) {
            this.updateContent(message);
        }
    }
    invalidate() {
        super.invalidate();
        if (this.lastMessage) {
            this.updateContent(this.lastMessage);
        }
    }
    setHideThinkingBlock(hide) {
        this.hideThinkingBlock = hide;
        if (this.lastMessage) {
            this.updateContent(this.lastMessage);
        }
    }
    setHiddenThinkingLabel(label) {
        this.hiddenThinkingLabel = label;
        if (this.lastMessage) {
            this.updateContent(this.lastMessage);
        }
    }
    setOutputPad(padding) {
        this.outputPad = padding;
        if (this.lastMessage) {
            this.updateContent(this.lastMessage);
        }
    }
    render(width) {
        const lines = super.render(width);
        if (this.hasToolCalls || lines.length === 0) {
            return lines;
        }
        lines[0] = OSC133_ZONE_START + lines[0];
        lines[lines.length - 1] = OSC133_ZONE_END + OSC133_ZONE_FINAL + lines[lines.length - 1];
        return lines;
    }
    updateContent(message) {
        this.lastMessage = message;
        // Clear content container
        this.contentContainer.clear();
        const hasVisibleContent = message.content.some((c) => (c.type === "text" && c.text.trim()) || (c.type === "thinking" && c.thinking.trim()));
        if (hasVisibleContent) {
            this.contentContainer.addChild(new Spacer(1));
        }
        // Render content in order
        for (let i = 0; i < message.content.length; i++) {
            const content = message.content[i];
            if (content.type === "text" && content.text.trim()) {
                // Assistant text messages with no background - trim the text
                // Set paddingY=0 to avoid extra spacing before tool executions
                this.contentContainer.addChild(new Markdown(content.text.trim(), this.outputPad, 0, this.markdownTheme));
            }
            else if (content.type === "thinking" && content.thinking.trim()) {
                // Add spacing only when another visible assistant content block follows.
                // This avoids a superfluous blank line before separately-rendered tool execution blocks.
                const hasVisibleContentAfter = message.content
                    .slice(i + 1)
                    .some((c) => (c.type === "text" && c.text.trim()) || (c.type === "thinking" && c.thinking.trim()));
                if (this.hideThinkingBlock) {
                    // Show static thinking label when hidden
                    this.contentContainer.addChild(new Text(theme.italic(theme.fg("muted", this.hiddenThinkingLabel)), this.outputPad, 0));
                    if (hasVisibleContentAfter) {
                        this.contentContainer.addChild(new Spacer(1));
                    }
                }
                else {
                    // Thinking traces in muted color, italic
                    this.contentContainer.addChild(new Markdown(content.thinking.trim(), this.outputPad, 0, this.markdownTheme, {
                        color: (text) => theme.fg("muted", text),
                        italic: true,
                    }));
                    if (hasVisibleContentAfter) {
                        this.contentContainer.addChild(new Spacer(1));
                    }
                }
            }
        }
        // Check if incomplete/failed - show after partial content.
        // For aborted/error tool calls, tool execution components show the error.
        // Length stops can happen before a tool call is complete, so surface them here too.
        const hasToolCalls = message.content.some((c) => c.type === "toolCall");
        this.hasToolCalls = hasToolCalls;
        if (message.stopReason === "length") {
            this.contentContainer.addChild(new Spacer(1));
            this.contentContainer.addChild(new Text(theme.fg("error", "Error: Model stopped because it reached the maximum output token limit. The response may be incomplete."), this.outputPad, 0));
        }
        else if (!hasToolCalls) {
            if (message.stopReason === "aborted") {
                const abortMessage = message.errorMessage && message.errorMessage !== "Request was aborted"
                    ? message.errorMessage
                    : "Operation aborted";
                this.contentContainer.addChild(new Spacer(1));
                this.contentContainer.addChild(new Text(theme.fg("error", abortMessage), this.outputPad, 0));
            }
            else if (message.stopReason === "error") {
                const errorMsg = message.errorMessage || "Unknown error";
                this.contentContainer.addChild(new Spacer(1));
                this.contentContainer.addChild(new Text(theme.fg("error", `Error: ${errorMsg}`), this.outputPad, 0));
            }
        }
    }
}
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