import { describe, it, expect } from 'vitest';
import { createApp } from '../src/app';
import { authToken, bearer, createTestUser, seedActivity } from './helpers';
import { db } from '../src/db/client';
import { user } from '../src/db/schema';
import { eq } from 'drizzle-orm';

async function userIdByEmail(email: string): Promise<string> {
  const [row] = await db.select({ id: user.id }).from(user).where(eq(user.email, email));
  if (!row) throw new Error(`no user for ${email}`);
  return row.id;
}

describe('admin session views', () => {
  it('401s without a token', async () => {
    const app = createApp();
    expect((await app.request('/api/admin/sessions')).status).toBe(401);
    expect((await app.request('/api/admin/sessions/active')).status).toBe(401);
  });

  it('403s for a worker', async () => {
    const app = createApp();
    const token = await authToken(app, 'admin-view-worker@example.com'); // worker
    expect((await app.request('/api/admin/sessions', { headers: bearer(token) })).status).toBe(403);
  });

  it("returns ALL users' sessions for an admin, with user info", async () => {
    const app = createApp();
    const adminTok = await authToken(app, 'admin-view-admin@example.com', 'admin');
    const workerTok = await authToken(app, 'admin-view-w2@example.com'); // worker
    const activityId = await seedActivity('Frezen');

    // Worker starts a session.
    const started = await (
      await app.request('/api/sessions/start', {
        method: 'POST',
        headers: bearer(workerTok),
        body: JSON.stringify({ activity_id: activityId, insole_type: 'Kurk', pair_count: 2 }),
      })
    ).json();

    const res = await app.request('/api/admin/sessions', { headers: bearer(adminTok) });
    expect(res.status).toBe(200);
    const body = await res.json();
    const found = body.find((s: { id: number }) => s.id === started.id);
    expect(found).toBeTruthy();
    expect(found.user_email).toBe('admin-view-w2@example.com');
    expect(found.activity_name).toBe('Frezen');

    const active = await app.request('/api/admin/sessions/active', { headers: bearer(adminTok) });
    expect(active.status).toBe(200);
    const activeBody = await active.json();
    expect(activeBody.some((s: { id: number }) => s.id === started.id)).toBe(true);
  });
});

describe('admin users roster', () => {
  it('returns id/name/email objects for an admin, ordered by name', async () => {
    const app = createApp();
    const adminTok = await authToken(app, 'roster-admin@example.com', 'admin');
    await createTestUser('roster-w1@example.com');

    const res = await app.request('/api/admin/users', { headers: bearer(adminTok) });
    expect(res.status).toBe(200);
    const body = await res.json();
    expect(Array.isArray(body)).toBe(true);
    const found = body.find((u: { email: string }) => u.email === 'roster-w1@example.com');
    expect(found).toBeTruthy();
    expect(found).toHaveProperty('id');
    expect(found).toHaveProperty('name');
    expect(found).toHaveProperty('email');
    // ordered by name ascending
    const names = body.map((u: { name: string }) => u.name);
    const sorted = [...names].sort();
    expect(names).toEqual(sorted);
  });

  it('403s for a worker', async () => {
    const app = createApp();
    const workerTok = await authToken(app, 'roster-worker@example.com'); // worker
    expect((await app.request('/api/admin/users', { headers: bearer(workerTok) })).status).toBe(
      403,
    );
  });
});

describe('admin manual session create', () => {
  it('creates a completed manual session with duration excluding paused', async () => {
    const app = createApp();
    const adminTok = await authToken(app, 'create-admin@example.com', 'admin');
    await createTestUser('create-target@example.com');
    const targetId = await userIdByEmail('create-target@example.com');
    const activityId = await seedActivity('Snijden');

    const start = new Date('2026-06-17T08:00:00.000Z');
    const end = new Date('2026-06-17T09:00:00.000Z'); // 1h apart = 3600s
    const res = await app.request('/api/admin/sessions', {
      method: 'POST',
      headers: bearer(adminTok),
      body: JSON.stringify({
        user_id: targetId,
        activity_id: activityId,
        insole_type: 'Kurk',
        pair_count: 3,
        start_time: start.toISOString(),
        end_time: end.toISOString(),
        paused_seconds: 600,
        notes: 'handmatig',
      }),
    });
    expect(res.status).toBe(200);
    const body = await res.json();
    expect(body.source).toBe('manual');
    expect(body.status).toBe('completed');
    expect(body.duration_seconds).toBe(3000); // 3600 - 600
    expect(body.paused_seconds).toBe(600);
    expect(body.paused_at).toBeNull();
    expect(body.user_id).toBe(targetId);
    expect(body.activity_name).toBe('Snijden');
  });

  it('400s when end < start', async () => {
    const app = createApp();
    const adminTok = await authToken(app, 'create-badtime-admin@example.com', 'admin');
    await createTestUser('create-badtime-target@example.com');
    const targetId = await userIdByEmail('create-badtime-target@example.com');
    const activityId = await seedActivity('Frezen');

    const res = await app.request('/api/admin/sessions', {
      method: 'POST',
      headers: bearer(adminTok),
      body: JSON.stringify({
        user_id: targetId,
        activity_id: activityId,
        insole_type: 'Kurk',
        pair_count: 1,
        start_time: '2026-06-17T09:00:00.000Z',
        end_time: '2026-06-17T08:00:00.000Z',
      }),
    });
    expect(res.status).toBe(400);
  });

  it('404s for an unknown user', async () => {
    const app = createApp();
    const adminTok = await authToken(app, 'create-nouser-admin@example.com', 'admin');
    const activityId = await seedActivity('Lijmen');

    const res = await app.request('/api/admin/sessions', {
      method: 'POST',
      headers: bearer(adminTok),
      body: JSON.stringify({
        user_id: 'does-not-exist',
        activity_id: activityId,
        insole_type: 'Kurk',
        pair_count: 1,
        start_time: '2026-06-17T08:00:00.000Z',
        end_time: '2026-06-17T09:00:00.000Z',
      }),
    });
    expect(res.status).toBe(404);
  });

  it('404s for an unknown activity', async () => {
    const app = createApp();
    const adminTok = await authToken(app, 'create-noact-admin@example.com', 'admin');
    await createTestUser('create-noact-target@example.com');
    const targetId = await userIdByEmail('create-noact-target@example.com');

    const res = await app.request('/api/admin/sessions', {
      method: 'POST',
      headers: bearer(adminTok),
      body: JSON.stringify({
        user_id: targetId,
        activity_id: 999999,
        insole_type: 'Kurk',
        pair_count: 1,
        start_time: '2026-06-17T08:00:00.000Z',
        end_time: '2026-06-17T09:00:00.000Z',
      }),
    });
    expect(res.status).toBe(404);
  });

  it('403s for a worker', async () => {
    const app = createApp();
    const workerTok = await authToken(app, 'create-worker@example.com'); // worker
    const res = await app.request('/api/admin/sessions', {
      method: 'POST',
      headers: bearer(workerTok),
      body: JSON.stringify({
        user_id: 'x',
        activity_id: 1,
        insole_type: 'Kurk',
        pair_count: 1,
        start_time: '2026-06-17T08:00:00.000Z',
        end_time: '2026-06-17T09:00:00.000Z',
      }),
    });
    expect(res.status).toBe(403);
  });
});

describe('admin session edit', () => {
  it('recomputes duration on edit', async () => {
    const app = createApp();
    const adminTok = await authToken(app, 'edit-admin@example.com', 'admin');
    await createTestUser('edit-target@example.com');
    const targetId = await userIdByEmail('edit-target@example.com');
    const activityId = await seedActivity('Polijsten');

    const created = await (
      await app.request('/api/admin/sessions', {
        method: 'POST',
        headers: bearer(adminTok),
        body: JSON.stringify({
          user_id: targetId,
          activity_id: activityId,
          insole_type: 'Kurk',
          pair_count: 2,
          start_time: '2026-06-17T08:00:00.000Z',
          end_time: '2026-06-17T09:00:00.000Z',
          paused_seconds: 0,
        }),
      })
    ).json();
    expect(created.duration_seconds).toBe(3600);

    const res = await app.request(`/api/admin/sessions/${created.id}`, {
      method: 'PUT',
      headers: bearer(adminTok),
      body: JSON.stringify({
        activity_id: activityId,
        insole_type: 'Berk',
        pair_count: 4,
        start_time: '2026-06-17T08:00:00.000Z',
        end_time: '2026-06-17T10:00:00.000Z', // now 2h
        paused_seconds: 300,
        notes: 'gecorrigeerd',
        status: 'completed',
      }),
    });
    expect(res.status).toBe(200);
    const body = await res.json();
    expect(body.duration_seconds).toBe(7200 - 300);
    expect(body.insole_type).toBe('Berk');
    expect(body.pair_count).toBe(4);
    expect(body.notes).toBe('gecorrigeerd');
  });

  it('sets duration null when end_time is null (active)', async () => {
    const app = createApp();
    const adminTok = await authToken(app, 'edit-active-admin@example.com', 'admin');
    await createTestUser('edit-active-target@example.com');
    const targetId = await userIdByEmail('edit-active-target@example.com');
    const activityId = await seedActivity('Stikken');

    const created = await (
      await app.request('/api/admin/sessions', {
        method: 'POST',
        headers: bearer(adminTok),
        body: JSON.stringify({
          user_id: targetId,
          activity_id: activityId,
          insole_type: 'Kurk',
          pair_count: 2,
          start_time: '2026-06-17T08:00:00.000Z',
          end_time: '2026-06-17T09:00:00.000Z',
        }),
      })
    ).json();

    const res = await app.request(`/api/admin/sessions/${created.id}`, {
      method: 'PUT',
      headers: bearer(adminTok),
      body: JSON.stringify({
        activity_id: activityId,
        insole_type: 'Kurk',
        pair_count: 2,
        start_time: '2026-06-17T08:00:00.000Z',
        end_time: null,
        paused_seconds: 0,
        notes: null,
        status: 'active',
      }),
    });
    expect(res.status).toBe(200);
    const body = await res.json();
    expect(body.duration_seconds).toBeNull();
    expect(body.end_time).toBeNull();
    expect(body.status).toBe('active');
  });

  it('400s when end < start on edit', async () => {
    const app = createApp();
    const adminTok = await authToken(app, 'edit-badtime-admin@example.com', 'admin');
    await createTestUser('edit-badtime-target@example.com');
    const targetId = await userIdByEmail('edit-badtime-target@example.com');
    const activityId = await seedActivity('Wassen');

    const created = await (
      await app.request('/api/admin/sessions', {
        method: 'POST',
        headers: bearer(adminTok),
        body: JSON.stringify({
          user_id: targetId,
          activity_id: activityId,
          insole_type: 'Kurk',
          pair_count: 2,
          start_time: '2026-06-17T08:00:00.000Z',
          end_time: '2026-06-17T09:00:00.000Z',
        }),
      })
    ).json();

    const res = await app.request(`/api/admin/sessions/${created.id}`, {
      method: 'PUT',
      headers: bearer(adminTok),
      body: JSON.stringify({
        activity_id: activityId,
        insole_type: 'Kurk',
        pair_count: 2,
        start_time: '2026-06-17T09:00:00.000Z',
        end_time: '2026-06-17T08:00:00.000Z',
        paused_seconds: 0,
        notes: null,
        status: 'completed',
      }),
    });
    expect(res.status).toBe(400);
  });

  it('404s for an unknown session', async () => {
    const app = createApp();
    const adminTok = await authToken(app, 'edit-404-admin@example.com', 'admin');
    const activityId = await seedActivity('Drogen');

    const res = await app.request('/api/admin/sessions/999999', {
      method: 'PUT',
      headers: bearer(adminTok),
      body: JSON.stringify({
        activity_id: activityId,
        insole_type: 'Kurk',
        pair_count: 2,
        start_time: '2026-06-17T08:00:00.000Z',
        end_time: '2026-06-17T09:00:00.000Z',
        paused_seconds: 0,
        notes: null,
        status: 'completed',
      }),
    });
    expect(res.status).toBe(404);
  });
});

describe('admin stop/discard another user session', () => {
  it("stops another worker's active session and computes duration", async () => {
    const app = createApp();
    const adminTok = await authToken(app, 'stop-admin@example.com', 'admin');
    const workerTok = await authToken(app, 'stop-worker@example.com'); // worker
    const activityId = await seedActivity('Frezen');

    const started = await (
      await app.request('/api/sessions/start', {
        method: 'POST',
        headers: bearer(workerTok),
        body: JSON.stringify({ activity_id: activityId, insole_type: 'Kurk', pair_count: 2 }),
      })
    ).json();

    const res = await app.request(`/api/admin/sessions/${started.id}/stop`, {
      method: 'POST',
      headers: bearer(adminTok),
    });
    expect(res.status).toBe(200);
    const body = await res.json();
    expect(body.status).toBe('completed');
    expect(body.end_time).not.toBeNull();
    expect(body.duration_seconds).toBeGreaterThanOrEqual(0);
    expect(body.paused_at).toBeNull();
  });

  it("discards another worker's active session", async () => {
    const app = createApp();
    const adminTok = await authToken(app, 'discard-admin@example.com', 'admin');
    const workerTok = await authToken(app, 'discard-worker@example.com'); // worker
    const activityId = await seedActivity('Lijmen');

    const started = await (
      await app.request('/api/sessions/start', {
        method: 'POST',
        headers: bearer(workerTok),
        body: JSON.stringify({ activity_id: activityId, insole_type: 'Kurk', pair_count: 2 }),
      })
    ).json();

    const res = await app.request(`/api/admin/sessions/${started.id}/discard`, {
      method: 'POST',
      headers: bearer(adminTok),
    });
    expect(res.status).toBe(200);
    const body = await res.json();
    expect(body.status).toBe('discarded');
    expect(body.end_time).not.toBeNull();
  });

  it('409s when stopping an already-closed session', async () => {
    const app = createApp();
    const adminTok = await authToken(app, 'stop-closed-admin@example.com', 'admin');
    const workerTok = await authToken(app, 'stop-closed-worker@example.com');
    const activityId = await seedActivity('Snijden');

    const started = await (
      await app.request('/api/sessions/start', {
        method: 'POST',
        headers: bearer(workerTok),
        body: JSON.stringify({ activity_id: activityId, insole_type: 'Kurk', pair_count: 2 }),
      })
    ).json();
    await app.request(`/api/admin/sessions/${started.id}/discard`, {
      method: 'POST',
      headers: bearer(adminTok),
    });

    const res = await app.request(`/api/admin/sessions/${started.id}/stop`, {
      method: 'POST',
      headers: bearer(adminTok),
    });
    expect(res.status).toBe(409);
  });

  it('403s for a worker hitting stop/discard', async () => {
    const app = createApp();
    const workerTok = await authToken(app, 'stop-worker-gate@example.com'); // worker
    expect(
      (
        await app.request('/api/admin/sessions/1/stop', {
          method: 'POST',
          headers: bearer(workerTok),
        })
      ).status,
    ).toBe(403);
    expect(
      (
        await app.request('/api/admin/sessions/1/discard', {
          method: 'POST',
          headers: bearer(workerTok),
        })
      ).status,
    ).toBe(403);
  });
});