module.exports = function registerAdminPagesRoutes(app, deps) {
  const pool = deps.pool;
  const common = deps.common;
  const pages = deps.pages;
  const buildDashboardState = deps.buildDashboardState;

  app.get('/admin', async function (req, res, next) {
    try {
      const data = await buildDashboardState(pool);
      res.send(pages.renderDashboardPage(data, req.query.message ? String(req.query.message) : '', req.currentUser));
    } catch (error) {
      next(error);
    }
  });

  app.get('/admin/clients', async function (req, res, next) {
    try {
      const data = await buildDashboardState(pool);
      res.send(pages.renderConnectedClientsPage(data, req.query.message ? String(req.query.message) : '', req.currentUser));
    } catch (error) {
      next(error);
    }
  });

  app.get('/admin/screens', async function (req, res, next) {
    try {
      const data = await buildDashboardState(pool);
      if (req.query.edit) {
        const screen = await common.fetchScreenById(pool, Number(req.query.edit));
        if (!screen) {
          return res.status(404).send('Screen not found');
        }
        const editData = await common.fetchScreenEditData(pool);
        return res.send(pages.renderScreenEditPage(screen, editData, req.query.message ? String(req.query.message) : '', req.currentUser));
      }
      res.send(pages.renderScreensPage(data, req.query.message ? String(req.query.message) : '', req.currentUser));
    } catch (error) {
      next(error);
    }
  });

  app.get('/admin/screens/:id/edit', async function (req, res, next) {
    try {
      const screen = await common.fetchScreenById(pool, Number(req.params.id));
      if (!screen) {
        return res.status(404).send('Screen not found');
      }
      const editData = await common.fetchScreenEditData(pool);
      return res.send(pages.renderScreenEditPage(screen, editData, req.query.message ? String(req.query.message) : '', req.currentUser));
    } catch (error) {
      next(error);
    }
  });

  app.get('/admin/playlists', async function (req, res, next) {
    try {
      const data = await common.fetchAdminData(pool);
      if (req.query.edit) {
        const playlist = await common.fetchPlaylistById(pool, Number(req.query.edit));
        if (!playlist) {
          return res.status(404).send('Playlist not found');
        }
        return res.send(pages.renderPlaylistEditPage(playlist, data, req.query.message ? String(req.query.message) : '', req.currentUser));
      }
      res.send(pages.renderPlaylistsPage(data, req.query.message ? String(req.query.message) : '', req.currentUser));
    } catch (error) {
      next(error);
    }
  });

  app.get('/admin/playlists/new', function (req, res) {
    res.send(pages.renderPlaylistFormPage(req.query.message ? String(req.query.message) : '', req.currentUser));
  });

  app.get('/admin/playlists/:id/edit', async function (req, res, next) {
    try {
      const playlist = await common.fetchPlaylistById(pool, Number(req.params.id));
      if (!playlist) {
        return res.status(404).send('Playlist not found');
      }
      const data = await common.fetchAdminData(pool);
      res.send(pages.renderPlaylistEditPage(playlist, data, req.query.message ? String(req.query.message) : '', req.currentUser));
    } catch (error) {
      next(error);
    }
  });
};