import { chromium } from 'playwright';
import log from 'electron-log';
import tabsPkg from './common/tabs.js';

const { preparePage, safeDisconnectBrowser } = tabsPkg;

const parseDateInput = (dateStr) => {
  if (!dateStr) return null;
  if (typeof dateStr === 'number' && Number.isFinite(dateStr)) return new Date(dateStr);
  if (dateStr instanceof Date && !Number.isNaN(dateStr.getTime())) return dateStr;
  const raw = String(dateStr).trim();
  const ymdMatch = raw.match(/(\d{4}-\d{2}-\d{2})/);
  if (ymdMatch) return new Date(`${ymdMatch[1]}T00:00:00`);
  const mmddMatch = raw.match(/(\d{2}-\d{2})/);
  if (mmddMatch) {
    const year = new Date().getFullYear();
    return new Date(`${year}-${mmddMatch[1]}T00:00:00`);
  }
  return null;
};

const formatDate = (d) => {
  const yyyy = d.getFullYear();
  const mm = String(d.getMonth() + 1).padStart(2, '0');
  const dd = String(d.getDate()).padStart(2, '0');
  return `${yyyy}-${mm}-${dd}`;
};

const buildDateList = (startDate, endDate) => {
  const start = parseDateInput(startDate);
  const end = parseDateInput(endDate || startDate);
  if (!start || !end) return [];

  const from = start <= end ? start : end;
  const to = start <= end ? end : start;

  const dates = [];
  const cur = new Date(from.getTime());
  while (cur <= to) {
    dates.push(formatDate(cur));
    cur.setDate(cur.getDate() + 1);
  }
  return dates;
};

const toggleRoomByDate = async (page, { roomType, dateStr, operation }) => {
  // Find row by room type
  const row = page.locator('.lifep-table-row').filter({ hasText: roomType }).first();
  if (await row.count() === 0) {
    throw new Error(`Room type not found: ${roomType}`);
  }

  // Find cell by date class (e.g., .date-2026-03-14)
  const cell = row.locator(`.lifep-table-cell.date-${dateStr}`);
  if (await cell.count() === 0) {
    log.warn(`Date cell not found: ${dateStr}`);
    return;
  }
  
  // Find switch components
  // Structure: .byted-switch (label) > input[type=checkbox] + .byted-switch-wrapper (visual)
  // The user provided structure shows: .lifep-table-cell... > .room-swtich-container-PxrDYy > .byted-switch > .byted-switch-wrapper
  // We can just find .byted-switch inside the cell, it should be unique enough.
  const switchLabel = cell.locator('.byted-switch').first();
  const switchWrapper = cell.locator('.byted-switch-wrapper').first();
  const switchInput = cell.locator('input[type="checkbox"]').first();

  if (await switchLabel.count() === 0) {
    // If not found, log details and return
    log.warn(`Switch not found for ${roomType} on ${dateStr}`);
    return;
  }

  await switchWrapper.scrollIntoViewIfNeeded();

  // Check state
  // Preferred: check input state or wrapper class
  let isOpen = false;
  if (await switchInput.count() > 0) {
      // In dy.md, when checked, the input has a `checked=""` attribute.
      // However, playwright's isChecked() might not always sync perfectly if the framework uses synthetic events.
      // So we check both isChecked and the classes.
      isOpen = await switchInput.isChecked();
  }
  
  if (!isOpen) {
      const labelClass = await switchLabel.getAttribute('class') || '';
      const wrapperClass = await switchWrapper.getAttribute('class') || '';
      // Based on dy.md: `byted-switch-checked` is added to the label
      // and `byted-switch-wrapper-checked` is added to the wrapper
      isOpen = labelClass.includes('byted-switch-checked') || wrapperClass.includes('byted-switch-wrapper-checked');
  }

  if (operation === 'open' && !isOpen) {
    // Click the wrapper as seen in recording
    await switchWrapper.click();
    log.info(`Opened room ${roomType} on ${dateStr}`);
    await handleConfirmation(page);
  } else if (operation === 'close' && isOpen) {
    await switchWrapper.click();
    log.info(`Closed room ${roomType} on ${dateStr}`);
    await handleConfirmation(page);
  } else {
    log.info(`Room ${roomType} already ${operation === 'open' ? 'open' : 'closed'} on ${dateStr}`);
  }
};

const handleConfirmation = async (page) => {
  try {
    const confirmBtn = page.getByRole('button', { name: '确定' });
    // Wait slightly longer for dialog animation
    if (await confirmBtn.isVisible({ timeout: 3000 })) {
      await confirmBtn.click();
      // Wait for dialog to disappear
      await confirmBtn.waitFor({ state: 'hidden', timeout: 3000 }).catch(() => {});
    }
  } catch (e) {
    // Ignore if no confirmation dialog appears
  }
};

const navigateToRoomStatusManagement = async (page) => {
  try {
    const currentUrl = page.url();
    if (currentUrl.includes('/p/travel-ari/hotel/price_amount_state')) return;
  } catch (e) {}

  try {
    const tableRow = page.locator('.lifep-table-row').first();
    if (await tableRow.isVisible({ timeout: 1500 })) return;
  } catch (e) {}

  const managementEntry = page.getByText('房价房态管理', { exact: true });
  try {
    if (await managementEntry.isVisible({ timeout: 1500 })) return;
  } catch (e) {}

  const candidates = [
    page.locator('div').filter({ hasText: /^房价房态$/ }).nth(1),
    page.locator('div').filter({ hasText: /^房价房态$/ }).first(),
    page.getByText('房价房态', { exact: true }),
    page.getByRole('menuitem', { name: '房价房态' }).first(),
  ];

  for (const candidate of candidates) {
    try {
      await candidate.waitFor({ state: 'visible', timeout: 6000 });
      await candidate.click({ timeout: 6000, force: true });
      if (await managementEntry.isVisible({ timeout: 3000 })) break;
    } catch (e) {}
  }

  await managementEntry.waitFor({ state: 'visible', timeout: 10000 });
  await managementEntry.click({ timeout: 10000, force: true });
};

(async () => {
  let browser;

  try {
    const groupId = '1816249020842116';
    const homeUrl = `https://life.douyin.com/p/home?groupid=${groupId}`;
    const priceAmountStateUrl = `https://life.douyin.com/p/travel-ari/hotel/price_amount_state?groupid=${groupId}`;
    const prepared = await preparePage(chromium, { targetUrl: priceAmountStateUrl });
    browser = prepared.browser;
    const page = prepared.page;

    try {
      if (!page.url().includes('/p/travel-ari/hotel/price_amount_state')) {
        await page.goto(priceAmountStateUrl, { waitUntil: 'domcontentloaded' });
      }
    } catch (e) {
      try {
        await page.goto(homeUrl, { waitUntil: 'domcontentloaded' });
      } catch (e2) {}
    }

    // Navigation logic (User provided)
    try {
      // Try to click the store/login button if visible
      const storeBtn = page.getByText('息烽南山天沐温泉我创建的');
      if (await storeBtn.isVisible({ timeout: 3000 })) {
        await storeBtn.click();
        await page.getByRole('button', { name: '确认登录' }).click();
        await page.waitForTimeout(2000);
      }

      // Navigate to Price/Room Status
      await navigateToRoomStatusManagement(page);
      await page.waitForTimeout(2000);
    } catch (e) {
      log.warn('Navigation steps skipped or failed, assuming already on page or different flow:', e.message);
    }

    const roomType = process.env.ROOM_TYPE;
    const startDate = process.env.START_DATE;
    const endDate = process.env.END_DATE;
    const operation = process.env.OPERATION === 'close' ? 'close' : 'open';

    if (!roomType || !startDate) {
      log.info('ROOM_TYPE/START_DATE not provided, skip room toggle.');
      return;
    }

    // Wait for table rows to appear
    await page.locator('.lifep-table-row').first().waitFor({ state: 'visible', timeout: 15000 });

    const dateList = buildDateList(startDate, endDate);
    for (const dateStr of dateList) {
      try {
        await toggleRoomByDate(page, { roomType, dateStr, operation });
      } catch (e) {
        log.error(`Failed to toggle ${roomType} on ${dateStr}: ${e.message}`);
      }
      await page.waitForTimeout(500 + Math.random() * 500);
    }

  } catch (error) {
    log.error(error);
    process.exitCode = 1;
  } finally {
    await safeDisconnectBrowser(browser);
    process.exit(process.exitCode || 0);
  }
})();