#!/usr/bin/env node
/**
 * OpenClaw WeChat Skill - Deployment Checker v1.2.0
 *
 * Cross-platform diagnostic script. Run this on the customer machine AFTER
 * running deploy-to-openclaw.*, and send the output back for troubleshooting.
 *
 * Usage:
 *   node check-deployment.js
 *   node check-deployment.js --openclaw-url=http://127.0.0.1:18789
 */
'use strict';

const fs = require('fs');
const path = require('path');
const os = require('os');
const http = require('http');
const https = require('https');

// ---- Args ----
const args = process.argv.slice(2);
const getArg = (k, d) => {
    const hit = args.find(a => a.startsWith('--' + k + '='));
    return hit ? hit.slice(('--' + k + '=').length) : d;
};
const OPENCLAW_URL = getArg('openclaw-url', 'http://127.0.0.1:18789');
const SKILLS_ROOT = getArg('skills-root', path.join(os.homedir(), '.openclaw', 'skills'));

// ---- Color helpers ----
const useColor = process.stdout.isTTY;
const c = (code, s) => (useColor ? `\x1b[${code}m${s}\x1b[0m` : s);
const green = s => c('32', s);
const red = s => c('31', s);
const yellow = s => c('33', s);
const cyan = s => c('36', s);
const gray = s => c('90', s);

const OK = green('[OK]   ');
const ERR = red('[FAIL] ');
const WARN = yellow('[WARN] ');
const INFO = cyan('[INFO] ');

let passed = 0, failed = 0, warned = 0;
function ok(msg)   { console.log(OK + msg); passed++; }
function fail(msg) { console.log(ERR + msg); failed++; }
function warn(msg) { console.log(WARN + msg); warned++; }
function info(msg) { console.log(INFO + msg); }

function header(s) {
    console.log('\n' + cyan('=== ' + s + ' ==='));
}

function exists(p) { try { fs.accessSync(p); return true; } catch { return false; } }

// ---- HTTP helpers ----
function httpRequest(url, options = {}, body = null) {
    return new Promise((resolve) => {
        try {
            const u = new URL(url);
            const lib = u.protocol === 'https:' ? https : http;
            const req = lib.request({
                hostname: u.hostname,
                port: u.port || (u.protocol === 'https:' ? 443 : 80),
                path: u.pathname + u.search,
                method: options.method || 'GET',
                headers: options.headers || {},
                timeout: options.timeout || 5000,
            }, (res) => {
                const chunks = [];
                res.on('data', c => chunks.push(c));
                res.on('end', () => {
                    resolve({ ok: true, status: res.statusCode, body: Buffer.concat(chunks).toString('utf8') });
                });
            });
            req.on('error', e => resolve({ ok: false, error: e.message }));
            req.on('timeout', () => { req.destroy(); resolve({ ok: false, error: 'timeout' }); });
            if (body) req.write(body);
            req.end();
        } catch (e) {
            resolve({ ok: false, error: e.message });
        }
    });
}

// =================================================================
//  Start checks
// =================================================================
console.log(cyan('=== OpenClaw WeChat Skill Deployment Check v1.2.0 ==='));
info('Platform: ' + process.platform + ' / Node ' + process.version);
info('HOME: ' + os.homedir());
info('Skills root: ' + SKILLS_ROOT);
info('OpenClaw URL: ' + OPENCLAW_URL);

// -----------------------------------------------------------------
header('1. Skills directory layout');
// -----------------------------------------------------------------
const openclawDir = path.dirname(SKILLS_ROOT);
if (exists(openclawDir)) ok('~/.openclaw exists: ' + openclawDir);
else fail('~/.openclaw NOT FOUND — did you run the deploy script?');

if (exists(SKILLS_ROOT)) ok('skills dir exists: ' + SKILLS_ROOT);
else fail('skills dir NOT FOUND — deploy script did not create ' + SKILLS_ROOT);

const expectedSkills = [
    'wechat-check-online',
    'wechat-send-text',
    'wechat-get-messages',
    'wechat-get-conversations',
    'wechat-get-contact-list',
    'wechat-get-contact-detail',
    'wechat-auto-reply-start',
    'wechat-auto-reply-stop',
    'wechat-auto-reply-status',
];

// -----------------------------------------------------------------
header('2. Each WeChat skill');
// -----------------------------------------------------------------
let skillCount = 0;
for (const name of expectedSkills) {
    const skillDir = path.join(SKILLS_ROOT, name);
    if (!exists(skillDir)) { fail(name + ': directory missing at ' + skillDir); continue; }
    const sm = path.join(skillDir, 'SKILL.md');
    if (!exists(sm)) { fail(name + ': SKILL.md missing'); continue; }

    // Validate SKILL.md format: YAML frontmatter + executable instructions
    const content = fs.readFileSync(sm, 'utf8');
    const fmMatch = content.match(/^---\s*\n([\s\S]*?)\n---/);
    if (!fmMatch) { fail(name + ': SKILL.md missing YAML frontmatter'); continue; }
    const fm = fmMatch[1];
    if (!/^name:\s*\S+/m.test(fm)) { fail(name + ': SKILL.md frontmatter missing "name"'); continue; }
    if (!/^description:\s*\S+/m.test(fm)) { fail(name + ': SKILL.md frontmatter missing "description"'); continue; }

    // v1.1.0+: must contain runnable bash snippet so LLM knows how to execute
    const hasBash = /```bash/.test(content);
    if (!hasBash) {
        fail(name + ': SKILL.md has no bash code block — LLM will not know how to execute (v1.0.0 format)');
        continue;
    }
    // HTTP skills (not the daemon control ones) should use curl
    const isControlSkill = /^wechat-auto-reply-(start|stop|status)$/.test(name);
    if (!isControlSkill && !/curl\s/.test(content)) {
        warn(name + ': SKILL.md has bash block but no curl command — please verify');
    }

    // api-config.json is optional in v1.1.0 (reference only)
    const ac = path.join(skillDir, 'api-config.json');
    if (exists(ac)) {
        try { JSON.parse(fs.readFileSync(ac, 'utf8')); }
        catch (e) { warn(name + ': api-config.json is not valid JSON — ' + e.message); }
    }
    ok(name + ' → SKILL.md OK');
    skillCount++;
}
info('Valid skills: ' + skillCount + ' / ' + expectedSkills.length);

// -----------------------------------------------------------------
header('3. Credentials file');
// -----------------------------------------------------------------
const credFile = path.join(openclawDir, 'wechat-credentials.json');
const tplFile = path.join(openclawDir, 'wechat-credentials.template.json');
let credUrl = null;
if (exists(tplFile)) ok('template present: ' + tplFile);
else warn('template missing: ' + tplFile);

if (!exists(credFile)) {
    fail('wechat-credentials.json NOT FOUND at ' + credFile);
} else {
    try {
        const cred = JSON.parse(fs.readFileSync(credFile, 'utf8'));
        if (!cred.wechatApiBase) fail('wechat-credentials.json: missing wechatApiBase field');
        else { ok('wechatApiBase = ' + cred.wechatApiBase); credUrl = cred.wechatApiBase; }
    } catch (e) {
        fail('wechat-credentials.json is NOT valid JSON — ' + e.message);
    }
}

// -----------------------------------------------------------------
header('4. Workflows deployment');
// -----------------------------------------------------------------
const wfDir = path.join(openclawDir, 'workflows');
if (!exists(wfDir)) {
    warn('workflows dir NOT FOUND at ' + wfDir);
} else {
    const expectedWf = ['wechat-auto-reply.workflow.json', 'pipeline.md'];
    for (const f of expectedWf) {
        if (exists(path.join(wfDir, f))) ok('workflow: ' + f);
        else warn('workflow missing: ' + f);
    }
}

// -----------------------------------------------------------------
header('4b. Auto-reply daemon');
// -----------------------------------------------------------------
const daemonFile = path.join(openclawDir, 'auto-reply-daemon.js');
const cfgFile    = path.join(openclawDir, 'wechat-auto-reply-config.json');
const cfgTpl     = path.join(openclawDir, 'wechat-auto-reply-config.template.json');
const pidFile    = path.join(openclawDir, 'wechat-auto-reply.pid');
const logFile    = path.join(openclawDir, 'logs', 'auto-reply.log');

if (!exists(daemonFile)) fail('auto-reply-daemon.js NOT FOUND at ' + daemonFile);
else ok('daemon: ' + daemonFile);

if (!exists(cfgTpl))  warn('config template missing: ' + cfgTpl);
else ok('config template: ' + cfgTpl);

if (!exists(cfgFile)) warn('user config missing: ' + cfgFile);
else {
    try { JSON.parse(fs.readFileSync(cfgFile, 'utf8')); ok('user config valid JSON'); }
    catch (e) { fail('user config is NOT valid JSON — ' + e.message); }
}

// Daemon running status
if (exists(pidFile)) {
    const pid = parseInt(fs.readFileSync(pidFile, 'utf8').trim(), 10);
    if (!isFinite(pid)) warn('PID file has non-numeric content');
    else {
        let alive = false;
        try { process.kill(pid, 0); alive = true; } catch {}
        if (alive) ok('daemon is running, PID=' + pid);
        else warn('PID file exists but process ' + pid + ' is dead — remove ' + pidFile + ' then restart via wechat-auto-reply-start');
    }
} else {
    info('daemon not running (no PID file) — start via wechat-auto-reply-start skill');
}

if (exists(logFile)) {
    try {
        const data = fs.readFileSync(logFile, 'utf8');
        const lines = data.trim().split(/\n/);
        const tail = lines.slice(-5);
        info('last 5 log lines:');
        tail.forEach(l => console.log('    ' + gray(l)));
    } catch {}
}

// -----------------------------------------------------------------
header('5. WeChat backend connectivity');
// -----------------------------------------------------------------
(async () => {
    if (!credUrl) {
        warn('skip — no wechatApiBase in credentials');
    } else {
        const probeUrl = credUrl.replace(/\/$/, '') + '/login/check-online';
        info('POST ' + probeUrl);
        const r = await httpRequest(probeUrl, {
            method: 'POST',
            headers: { 'Content-Type': 'application/json' },
            timeout: 8000,
        }, '{}');
        if (!r.ok) fail('backend unreachable: ' + r.error);
        else if (r.status >= 200 && r.status < 500) {
            ok('backend responded HTTP ' + r.status);
            info('body: ' + (r.body || '').slice(0, 200));
        } else {
            warn('backend responded HTTP ' + r.status);
            info('body: ' + (r.body || '').slice(0, 200));
        }
    }

    // -----------------------------------------------------------------
    header('6. OpenClaw service probe');
    // -----------------------------------------------------------------
    info('probing ' + OPENCLAW_URL);
    const rRoot = await httpRequest(OPENCLAW_URL + '/', { timeout: 4000 });
    if (!rRoot.ok) {
        fail('OpenClaw service unreachable at ' + OPENCLAW_URL + ' — ' + rRoot.error);
        info('If OpenClaw runs on a different host/port, re-run:');
        info('  node check-deployment.js --openclaw-url=http://<host>:<port>');
    } else {
        ok('OpenClaw HTTP reachable (status=' + rRoot.status + ')');

        // Try common skill-listing endpoints (best-effort — unknown API)
        const probeEndpoints = [
            '/api/skills',
            '/api/skill/list',
            '/skills',
            '/api/v1/skills',
        ];
        let hitAny = false;
        for (const ep of probeEndpoints) {
            const r = await httpRequest(OPENCLAW_URL + ep, { timeout: 3000 });
            if (r.ok && r.status === 200 && r.body && r.body.length > 0) {
                const hasWechat = /wechat-/.test(r.body);
                if (hasWechat) {
                    ok('skill API ' + ep + ' lists our wechat-* skills');
                } else {
                    warn('skill API ' + ep + ' reachable but NO wechat-* found in response');
                    info('body (first 300): ' + r.body.slice(0, 300));
                }
                hitAny = true;
                break;
            }
        }
        if (!hitAny) {
            warn('could not auto-detect skill list API — please check OpenClaw UI -> 技能 panel manually');
        }
    }

    // -----------------------------------------------------------------
    header('Summary');
    // -----------------------------------------------------------------
    console.log(`${green('passed')}: ${passed}   ${yellow('warnings')}: ${warned}   ${red('failed')}: ${failed}`);

    if (failed === 0 && skillCount === expectedSkills.length) {
        console.log('\n' + green('✓ Deployment files look correct.'));
        console.log(gray('If the main agent still does not see wechat-* skills:'));
        console.log(gray('  1. Restart the OpenClaw service to force skill re-scan'));
        console.log(gray('  2. In OpenClaw UI -> 技能 panel, confirm wechat-* skills are listed'));
        console.log(gray('  3. In the agent config, make sure these skills are enabled for the main agent'));
    } else {
        console.log('\n' + red('✗ Deployment has issues — fix the FAIL items above and re-run.'));
    }

    process.exit(failed > 0 ? 1 : 0);
})();