const fs   = require('fs');
const path = require('path');
const { execSync } = require('child_process');

function resolveUserDir() {
    if (process.env.GRAV_USER_DIR) return process.env.GRAV_USER_DIR;
    try {
        const raw = execSync(
            "docker inspect intotheeast_grav --format '{{range .Mounts}}{{if eq .Destination \"/var/www/html/user\"}}{{.Source}}{{end}}{{end}}'",
            { encoding: 'utf-8', stdio: ['pipe', 'pipe', 'ignore'] }
        ).trim();
        if (raw) return raw;
    } catch (_) {}
    return path.join(__dirname, '../user');
}

function sweepUiTestEntries(dir) {
    if (!fs.existsSync(dir)) return 0;
    const entries = fs.readdirSync(dir).filter(e => e.includes('ui-test'));
    entries.forEach(e => fs.rmSync(path.join(dir, e), { recursive: true, force: true }));
    return entries.length;
}

module.exports = async function globalTeardown() {
    const userDir = resolveUserDir();

    // Read active trip slug from post-form.md
    const postFormPath = path.join(userDir, 'pages/02.post/post-form.md');
    let dailiesDir = null;
    if (fs.existsSync(postFormPath)) {
        const content = fs.readFileSync(postFormPath, 'utf-8');
        const m = content.match(/parent:\s*['"]?\/trips\/([^/'"]+)\/dailies/);
        if (m) {
            const tripSlug = m[1];
            const tripsBase = path.join(userDir, 'pages/01.trips');
            const tripFolder = fs.readdirSync(tripsBase).find(
                f => f === tripSlug || f.endsWith('.' + tripSlug) || f.includes(tripSlug)
            );
            if (tripFolder) {
                const dailiesBase = path.join(tripsBase, tripFolder);
                const dailiesFolder = fs.readdirSync(dailiesBase).find(
                    f => f === 'dailies' || f === '01.dailies' || f.endsWith('.dailies')
                );
                if (dailiesFolder) dailiesDir = path.join(dailiesBase, dailiesFolder);
            }
        }
    }

    // Sweep both the post inbox and the active trip's dailies
    const postInbox = path.join(userDir, 'pages/02.post');
    const n1 = sweepUiTestEntries(postInbox);
    const n2 = dailiesDir ? sweepUiTestEntries(dailiesDir) : 0;

    if (n1 + n2 > 0) {
        console.log(`[teardown] removed ${n1} ui-test entries from 02.post, ${n2} from dailies`);
    }
};