import fs from "node:fs/promises";
import path from "node:path";
import { escapeHtml, readMediaState, renderReportShell } from "./core-bundle.mjs";
async function fileExists(absolutePath) {
    try {
        await fs.access(absolutePath);
        return true;
    }
    catch {
        return false;
    }
}
/** Snapshot of existing iN indices, taken before handleGenerateImage/handleUpscale runs. */
export async function snapshotImageIndices(scratchpadPath) {
    const state = await readMediaState(scratchpadPath);
    const indices = state.images.map((record) => record.i).filter((i) => typeof i === "number");
    return new Set(indices);
}
/**
 * Diffs chat_media_state.json's images list against a before-snapshot to find the iN
 * entries handleGenerateImage/handleUpscale just appended via appendImages() — this
 * adapter never registers records itself (see planning/generate-image-mcp-plan.md,
 * "Ergebnis-Materialisierung").
 */
export async function materializeNewImages(scratchpadPath, before) {
    const state = await readMediaState(scratchpadPath);
    const newRecords = state.images.filter((record) => typeof record.i === "number" && !before.has(record.i));
    const results = [];
    for (const record of newRecords) {
        const index = record.i;
        const filename = record.filename ?? "";
        const absolutePath = path.join(scratchpadPath, filename);
        // Video results register the last-frame PNG as the iN record; the actual .mov shares its basename (see core/tools.ts).
        const videoFilename = filename.replace(/\.(png|jpe?g|webp)$/i, ".mov");
        const isVideo = videoFilename !== filename && (await fileExists(path.join(scratchpadPath, videoFilename)));
        results.push({
            index,
            notation: `i${index}`,
            filename,
            absolutePath,
            previewFilename: record.preview,
            isVideo,
            videoFilename: isVideo ? videoFilename : undefined,
        });
    }
    return results.sort((a, b) => a.index - b.index);
}
/** Same compact "<b>Label:</b> value &bull; ..." single-line style as find-images-mcp-bridge's buildMetadataCell(). */
function metadataCell(context, result) {
    const parts = [`<span class="rank">${escapeHtml(result.notation)}</span>`];
    const add = (label, value) => {
        if (value === undefined || value === null || value === "")
            return;
        parts.push(`<strong>${escapeHtml(label)}:</strong> ${escapeHtml(String(value))}`);
    };
    const summary = context.summary ?? {};
    add("Prompt", context.prompt);
    const width = summary.width;
    const height = summary.height;
    if (typeof width === "number" && typeof height === "number")
        add("Size", `${width}\u00d7${height}`);
    add("Model", summary.model_used);
    add("Mode", summary.mode_effective);
    add("Quality", summary.quality);
    add("Steps", summary.steps);
    add("Format", summary.image_format);
    add("Source", summary.canvas_source ?? context.canvas);
    if (typeof summary.inference_time_ms === "number")
        add("Render time", `${(summary.inference_time_ms / 1000).toFixed(1)}s`);
    add("Origin", "Draw Things");
    if (result.isVideo && result.videoFilename)
        add("Video", result.videoFilename);
    return parts.join(" &bull; ");
}
/**
 * handleGenerateImage/handleUpscale return their summary (width, model_used, mode_effective,
 * quality, steps, canvas_source, inference_time_ms, ...) as the LAST text content item,
 * JSON-stringified (see core/tools.ts). This is the only place that JSON lives — there is no
 * separate structured field for it.
 */
export function extractSummary(result) {
    const content = result?.content;
    if (!Array.isArray(content) || content.length === 0)
        return undefined;
    const lastItem = content[content.length - 1];
    if (lastItem?.type !== "text" || typeof lastItem.text !== "string")
        return undefined;
    try {
        const parsed = JSON.parse(lastItem.text);
        return parsed && typeof parsed === "object" && !Array.isArray(parsed) ? parsed : undefined;
    }
    catch {
        return undefined;
    }
}
/** Writes `generate-<requestId>.html` into the scratchpad and returns its absolute path. */
export async function writeHtmlReport(scratchpadPath, requestId, context, results) {
    const rows = results
        .map((result) => {
        const previewSrc = result.previewFilename ?? result.filename;
        const preview = result.isVideo
            ? `<a href="${escapeHtml(result.videoFilename ?? result.filename)}"><img src="${escapeHtml(previewSrc)}" alt="Preview ${escapeHtml(result.notation)}"></a>`
            : `<img src="${escapeHtml(previewSrc)}" alt="Preview ${escapeHtml(result.notation)}">`;
        return `<tr><td>${preview}</td><td>${metadataCell(context, result)}</td></tr>`;
    })
        .join("\n");
    const html = renderReportShell(`Generate Image ${requestId}`, "<tr><th>Preview</th><th>Details</th></tr>", rows);
    const reportPath = path.join(scratchpadPath, `generate-${requestId}.html`);
    await fs.writeFile(reportPath, html, "utf8");
    return reportPath;
}

import fs from "node:fs/promises";
import path from "node:path";
import { escapeHtml, readMediaState, renderReportShell } from "./core-bundle.mjs";
async function fileExists(absolutePath) {
    try {
        await fs.access(absolutePath);
        return true;
    }
    catch {
        return false;
    }
}
/** Snapshot of existing iN indices, taken before handleGenerateImage/handleUpscale runs. */
export async function snapshotImageIndices(scratchpadPath) {
    const state = await readMediaState(scratchpadPath);
    const indices = state.images.map((record) => record.i).filter((i) => typeof i === "number");
    return new Set(indices);
}
/**
 * Diffs chat_media_state.json's images list against a before-snapshot to find the iN
 * entries handleGenerateImage/handleUpscale just appended via appendImages() — this
 * adapter never registers records itself (see planning/generate-image-mcp-plan.md,
 * "Ergebnis-Materialisierung").
 */
export async function materializeNewImages(scratchpadPath, before) {
    const state = await readMediaState(scratchpadPath);
    const newRecords = state.images.filter((record) => typeof record.i === "number" && !before.has(record.i));
    const results = [];
    for (const record of newRecords) {
        const index = record.i;
        const filename = record.filename ?? "";
        const absolutePath = path.join(scratchpadPath, filename);
        // Video results register the last-frame PNG as the iN record; the actual .mov shares its basename (see core/tools.ts).
        const videoFilename = filename.replace(/\.(png|jpe?g|webp)$/i, ".mov");
        const isVideo = videoFilename !== filename && (await fileExists(path.join(scratchpadPath, videoFilename)));
        results.push({
            index,
            notation: `i${index}`,
            filename,
            absolutePath,
            previewFilename: record.preview,
            isVideo,
            videoFilename: isVideo ? videoFilename : undefined,
        });
    }
    return results.sort((a, b) => a.index - b.index);
}
/** Same compact "<b>Label:</b> value &bull; ..." single-line style as find-images-mcp-bridge's buildMetadataCell(). */
function metadataCell(context, result) {
    const parts = [`<span class="rank">${escapeHtml(result.notation)}</span>`];
    const add = (label, value) => {
        if (value === undefined || value === null || value === "")
            return;
        parts.push(`<strong>${escapeHtml(label)}:</strong> ${escapeHtml(String(value))}`);
    };
    const summary = context.summary ?? {};
    add("Prompt", context.prompt);
    const width = summary.width;
    const height = summary.height;
    if (typeof width === "number" && typeof height === "number")
        add("Size", `${width}\u00d7${height}`);
    add("Model", summary.model_used);
    add("Mode", summary.mode_effective);
    add("Quality", summary.quality);
    add("Steps", summary.steps);
    add("Format", summary.image_format);
    add("Source", summary.canvas_source ?? context.canvas);
    if (typeof summary.inference_time_ms === "number")
        add("Render time", `${(summary.inference_time_ms / 1000).toFixed(1)}s`);
    add("Origin", "Draw Things");
    if (result.isVideo && result.videoFilename)
        add("Video", result.videoFilename);
    return parts.join(" &bull; ");
}
/**
 * handleGenerateImage/handleUpscale return their summary (width, model_used, mode_effective,
 * quality, steps, canvas_source, inference_time_ms, ...) as the LAST text content item,
 * JSON-stringified (see core/tools.ts). This is the only place that JSON lives — there is no
 * separate structured field for it.
 */
export function extractSummary(result) {
    const content = result?.content;
    if (!Array.isArray(content) || content.length === 0)
        return undefined;
    const lastItem = content[content.length - 1];
    if (lastItem?.type !== "text" || typeof lastItem.text !== "string")
        return undefined;
    try {
        const parsed = JSON.parse(lastItem.text);
        return parsed && typeof parsed === "object" && !Array.isArray(parsed) ? parsed : undefined;
    }
    catch {
        return undefined;
    }
}
/** Writes `generate-<requestId>.html` into the scratchpad and returns its absolute path. */
export async function writeHtmlReport(scratchpadPath, requestId, context, results) {
    const rows = results
        .map((result) => {
        const previewSrc = result.previewFilename ?? result.filename;
        const preview = result.isVideo
            ? `<a href="${escapeHtml(result.videoFilename ?? result.filename)}"><img src="${escapeHtml(previewSrc)}" alt="Preview ${escapeHtml(result.notation)}"></a>`
            : `<img src="${escapeHtml(previewSrc)}" alt="Preview ${escapeHtml(result.notation)}">`;
        return `<tr><td>${preview}</td><td>${metadataCell(context, result)}</td></tr>`;
    })
        .join("\n");
    const html = renderReportShell(`Generate Image ${requestId}`, "<tr><th>Preview</th><th>Details</th></tr>", rows);
    const reportPath = path.join(scratchpadPath, `generate-${requestId}.html`);
    await fs.writeFile(reportPath, html, "utf8");
    return reportPath;
}