const path = require('path')
const fs = require('fs')
const assert = require('assert')
const crypto = require('crypto')

const { initCrypto, sign, verify, enc, dec, hashPassword } = require('./weekly_crypto')
const { initDB, getDB } = require('./weekly_db')
const core = require('./weekly_core')
const integrations = require('./weekly_integrations')

const TEST_DB = path.join(__dirname, 'test_weekly.db')
const TEST_ENC = path.join(__dirname, 'test_weekly.enc')

// Cleanup
if (fs.existsSync(TEST_DB)) fs.unlinkSync(TEST_DB)
if (fs.existsSync(TEST_ENC)) fs.unlinkSync(TEST_ENC)

console.log('--- Starting Weekly Module Tests ---')

// 1. Crypto Test
console.log('[1/5] Testing Crypto...')
initCrypto('testpass', 'testsalt')
const payload = { foo: 'bar' }
const sig = sign(payload)
assert.strictEqual(verify(payload, sig), true, 'Signature verification failed')
assert.strictEqual(verify(payload, 'wrong'), false, 'Signature rejection failed')
const secret = 'hello world'
const e = enc(secret)
const d = dec(e.ct, e.iv, e.tag)
assert.strictEqual(d, secret, 'Encryption/Decryption failed')
console.log('  Crypto OK')

// 2. DB Init
console.log('[2/5] Testing DB Init...')
initDB(TEST_DB, TEST_ENC)
const db = getDB()
const tables = db.prepare(`SELECT name FROM sqlite_master WHERE type='table'`).all()
const expectedTables = ['users', 'reports', 'events', 'event_reviews', 'attachments', 'versions', 'logs', 'event_external', 'event_relations', 'email_sends']
expectedTables.forEach(t => {
    assert.ok(tables.find(x => x.name === t), `Table ${t} missing`)
})
console.log('  DB Init OK')

// 3. Core Logic
console.log('[3/5] Testing Core Logic...')
// User
core.ensureDefaultUser()
const loginRes = core.login('admin_wy', process.env.WEEKLY_DEFAULT_PASSWORD || process.env.LOCK_DEFAULT_PASSWORD || '')
assert.strictEqual(loginRes.ok, true, 'Default user login failed')

// Report
const weekId = '2025-W01'
const rId = core.ensureReportForWeek(weekId)
const report = core.getReportByWeek(weekId)
assert.strictEqual(report.week_id, weekId, 'Report creation failed')

// Event
const eId = core.createEvent({
    report_id: rId,
    week_id: weekId,
    title: 'Test Event',
    content: 'Test Content',
    status_code: 'doing',
    priority: 1
})
const events = core.listEvents(rId)
assert.strictEqual(events.length, 1, 'Event listing failed')
assert.strictEqual(events[0].title, 'Test Event', 'Event content mismatch')

// Update Event
core.updateEvent({ id: eId, status_code: 'done' })
const events2 = core.listEvents(rId)
assert.strictEqual(events2[0].status_code, 'done', 'Event update failed')

// Search
// Need to wait for index rebuild? It's async in scheduleMaintain but synchronous in initial load.
// core.js rebuildIndex is not exported directly but called inside module?
// Actually I exported it.
core.rebuildIndex() 
const searchRes = core.search('Test')
console.log('Search Results:', JSON.stringify(searchRes, null, 2))
assert.strictEqual(searchRes.filter(x => x.type === 'event').length, 1, 'Search failed')

console.log('  Core Logic OK')

// 4. Integrations
console.log('[4/5] Testing Integrations...')
// Just check if functions exist
assert.strictEqual(typeof integrations.pushCalendarByEventId, 'function')
assert.strictEqual(typeof integrations.summarizeText, 'function')
console.log('  Integrations Interface OK')

// 5. Cleanup
if (db && typeof db.close === 'function') db.close()
if (fs.existsSync(TEST_DB)) fs.unlinkSync(TEST_DB)
if (fs.existsSync(TEST_ENC)) fs.unlinkSync(TEST_ENC)

console.log('--- All Tests Passed ---')