/**
 * Tests integration des routes /api/v1/views/* — R3.1.a database-view.
 *
 * Repos faked en memoire — pas d'appel reseau, Redis noop.
 */

import { afterEach, describe, expect, it } from 'vitest';
import { Row } from '../../src/domain/row.js';
import { View } from '../../src/domain/view.js';
import type { RepoSet } from '../../src/lib/container.js';
import { errors } from '../../src/lib/errors.js';
import type { ViewDataResult } from '../../src/repos/baserow-views-repo.js';
import {
  ADMIN_TOKEN,
  READ_TOKEN,
  WRITE_TOKEN,
  buildTestApp,
  installTestContainer,
  resetTestContainer,
} from '../helpers/test-app.js';

// ---------------------------------------------------------------------------
// Fake repos
// ---------------------------------------------------------------------------

class FakeTablesRepo {
  async list(_databaseId: number) {
    return [];
  }
  async get(_tableId: number) {
    throw errors.notFound('Table', _tableId);
  }
}

class FakeFieldsRepo {
  async list(_tableId: number) {
    return [];
  }
}

class FakeRowsRepo {
  async list(_tableId: number) {
    return { items: [], meta: { page: 1, per_page: 50, total: 0, total_pages: 1 } };
  }
  async get(_tableId: number, rowId: number): Promise<Row> {
    throw errors.notFound('Row', rowId);
  }
  async create(tableId: number, fields: Record<string, unknown>): Promise<Row> {
    return new Row({ id: 1, tableId, fields });
  }
  async update(tableId: number, rowId: number, fields: Record<string, unknown>): Promise<Row> {
    return new Row({ id: rowId, tableId, fields });
  }
  async delete(_tableId: number, _rowId: number): Promise<void> {}
}

/**
 * Fake views repo avec controle fin des methodes listByTable / getViewData.
 */
class FakeViewsRepo {
  public listByTableCalls: number[] = [];
  public getViewDataCalls: Array<{
    viewId: number;
    tableId: number;
    page: number;
    size: number;
    search?: string;
  }> = [];
  public failOnListByTable = false;
  public failOnGetViewData = false;

  constructor(
    private viewsByTable: Map<number, View[]> = new Map(),
    private viewDataByView: Map<number, ViewDataResult> = new Map(),
  ) {}

  // Compat /tables/:id/views
  async list(tableId: number): Promise<View[]> {
    return this.viewsByTable.get(tableId) ?? [];
  }

  // Compat /tables/:id/views/:viewId/rows
  async runGrid(viewId: number, _tableId: number) {
    const items = this.viewDataByView.get(viewId)?.items ?? [];
    return { items, meta: { page: 1, per_page: 50, total: items.length, total_pages: 1 } };
  }

  // R3.1.a
  async listByTable(tableId: number): Promise<View[]> {
    this.listByTableCalls.push(tableId);
    if (this.failOnListByTable) {
      throw errors.baserowDown();
    }
    return this.viewsByTable.get(tableId) ?? [];
  }

  // R3.1.a
  async getViewData(
    viewId: number,
    tableId: number,
    opts: { page?: number; size?: number; search?: string } = {},
  ): Promise<ViewDataResult> {
    this.getViewDataCalls.push({
      viewId,
      tableId,
      page: opts.page ?? 1,
      size: opts.size ?? 100,
      search: opts.search,
    });
    if (this.failOnGetViewData) {
      throw errors.baserowDown();
    }
    const result = this.viewDataByView.get(viewId);
    if (!result) {
      return {
        items: [],
        meta: { page: opts.page ?? 1, per_page: opts.size ?? 100, total: 0, total_pages: 1 },
        viewType: 'grid',
      };
    }
    return result;
  }
}

function buildFakeRepos(views?: FakeViewsRepo): RepoSet {
  return {
    tables: new FakeTablesRepo() as unknown as RepoSet['tables'],
    fields: new FakeFieldsRepo() as unknown as RepoSet['fields'],
    views: (views ?? new FakeViewsRepo()) as unknown as RepoSet['views'],
    rows: new FakeRowsRepo() as unknown as RepoSet['rows'],
  };
}

function bootApp(views?: FakeViewsRepo) {
  const repos = buildFakeRepos(views);
  const container = installTestContainer({ repos });
  return { app: buildTestApp(container), views };
}

afterEach(resetTestContainer);

// ---------------------------------------------------------------------------
// GET /api/v1/views/table/:tableId
// ---------------------------------------------------------------------------

describe('GET /api/v1/views/table/:tableId', () => {
  it('401 sans token', async () => {
    const { app } = bootApp();
    const res = await app.request('/api/v1/views/table/5');
    expect(res.status).toBe(401);
  });

  it('403 sans scope read:tables', async () => {
    // Pour tester 403, on cree un container avec un token sans read:tables.
    const repos = buildFakeRepos();
    const container = installTestContainer({
      repos,
      tokens: [{ token: 'brg_noread', name: 'no-read', scopes: ['write:tables'] }],
    });
    const testApp = buildTestApp(container);
    const res = await testApp.request('/api/v1/views/table/5', {
      headers: { Authorization: 'Bearer brg_noread' },
    });
    expect(res.status).toBe(403);
  });

  it('400 si tableId non numerique', async () => {
    const { app } = bootApp();
    const res = await app.request('/api/v1/views/table/abc', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(res.status).toBe(400);
  });

  it('400 si tableId = 0', async () => {
    const { app } = bootApp();
    const res = await app.request('/api/v1/views/table/0', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(res.status).toBe(400);
  });

  it('200 liste vide', async () => {
    const { app } = bootApp();
    const res = await app.request('/api/v1/views/table/99', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(res.status).toBe(200);
    const body = (await res.json()) as { data: unknown[]; total: number };
    expect(body.data).toHaveLength(0);
    expect(body.total).toBe(0);
  });

  it('200 liste vues avec metadata completes', async () => {
    const views = new FakeViewsRepo(
      new Map([
        [
          5,
          [
            new View({
              id: 100,
              name: 'Tous',
              type: 'grid',
              tableId: 5,
              order: 0,
              filters: [{ id: 1, field: 10, type: 'equal', value: 'actif' }],
              sortings: [{ id: 2, field: 10, order: 'ASC' }],
              groupBys: [],
            }),
            new View({ id: 101, name: 'Kanban sprint', type: 'kanban', tableId: 5, order: 1 }),
          ],
        ],
      ]),
    );
    const { app } = bootApp(views);
    const res = await app.request('/api/v1/views/table/5', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(res.status).toBe(200);
    const body = (await res.json()) as {
      data: Array<{
        id: number;
        tableId: number;
        name: string;
        type: string;
        order: number;
        filters: unknown[];
        sortings: unknown[];
        groupBys: unknown[];
      }>;
      total: number;
    };
    expect(body.total).toBe(2);
    expect(body.data[0]?.id).toBe(100);
    expect(body.data[0]?.tableId).toBe(5);
    expect(body.data[0]?.filters).toHaveLength(1);
    expect(body.data[0]?.sortings).toHaveLength(1);
    expect(body.data[0]?.groupBys).toHaveLength(0);
    expect(body.data[1]?.type).toBe('kanban');
  });

  it('200 admin token fonctionne', async () => {
    const { app } = bootApp();
    const res = await app.request('/api/v1/views/table/5', {
      headers: { Authorization: `Bearer ${ADMIN_TOKEN}` },
    });
    expect(res.status).toBe(200);
  });

  it('502 si Baserow indisponible', async () => {
    const views = new FakeViewsRepo();
    views.failOnListByTable = true;
    const { app } = bootApp(views);
    const res = await app.request('/api/v1/views/table/5', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(res.status).toBe(502);
  });

  it('appelle listByTable avec le bon tableId', async () => {
    const views = new FakeViewsRepo();
    const { app } = bootApp(views);
    await app.request('/api/v1/views/table/42', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(views.listByTableCalls).toContain(42);
  });
});

// ---------------------------------------------------------------------------
// GET /api/v1/views/:viewId/data
// ---------------------------------------------------------------------------

describe('GET /api/v1/views/:viewId/data', () => {
  it('401 sans token', async () => {
    const { app } = bootApp();
    const res = await app.request('/api/v1/views/100/data?tableId=5');
    expect(res.status).toBe(401);
  });

  it('400 si tableId absent', async () => {
    const { app } = bootApp();
    const res = await app.request('/api/v1/views/100/data', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(res.status).toBe(400);
    const body = (await res.json()) as { error: { code: string } };
    expect(body.error.code).toBe('VALIDATION_ERROR');
  });

  it('400 si viewId non numerique', async () => {
    const { app } = bootApp();
    const res = await app.request('/api/v1/views/abc/data?tableId=5', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(res.status).toBe(400);
  });

  it('400 si tableId = 0', async () => {
    const { app } = bootApp();
    const res = await app.request('/api/v1/views/100/data?tableId=0', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(res.status).toBe(400);
  });

  it('400 si page invalide', async () => {
    const { app } = bootApp();
    const res = await app.request('/api/v1/views/100/data?tableId=5&page=0', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(res.status).toBe(400);
  });

  it('200 donnees vides par defaut', async () => {
    const { app } = bootApp();
    const res = await app.request('/api/v1/views/100/data?tableId=5', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(res.status).toBe(200);
    const body = (await res.json()) as {
      data: unknown[];
      total: number;
      page: number;
      size: number;
      viewType: string;
    };
    expect(body.data).toHaveLength(0);
    expect(body.total).toBe(0);
    expect(body.page).toBe(1);
    expect(body.size).toBe(100);
    expect(body.viewType).toBe('grid');
  });

  it('200 donnees avec rows', async () => {
    const rows = [
      new Row({ id: 1, tableId: 5, fields: { nom: 'Alice', statut: 'actif' } }),
      new Row({ id: 2, tableId: 5, fields: { nom: 'Bob', statut: 'inactif' } }),
    ];
    const views = new FakeViewsRepo(
      new Map(),
      new Map([
        [
          100,
          {
            items: rows,
            meta: { page: 1, per_page: 100, total: 2, total_pages: 1 },
            viewType: 'grid',
          },
        ],
      ]),
    );
    const { app } = bootApp(views);
    const res = await app.request('/api/v1/views/100/data?tableId=5', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(res.status).toBe(200);
    const body = (await res.json()) as {
      data: Array<{ id: number; fields: Record<string, unknown> }>;
      total: number;
    };
    expect(body.data).toHaveLength(2);
    expect(body.data[0]?.id).toBe(1);
    expect(body.data[0]?.fields.nom).toBe('Alice');
    expect(body.total).toBe(2);
  });

  it('transmet page, size et search au repo', async () => {
    const views = new FakeViewsRepo();
    const { app } = bootApp(views);
    await app.request('/api/v1/views/100/data?tableId=5&page=2&size=50&search=alice', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(views.getViewDataCalls).toHaveLength(1);
    expect(views.getViewDataCalls[0]).toMatchObject({
      viewId: 100,
      tableId: 5,
      page: 2,
      size: 50,
      search: 'alice',
    });
  });

  it('size cap a 200', async () => {
    const views = new FakeViewsRepo();
    const { app } = bootApp(views);
    await app.request('/api/v1/views/100/data?tableId=5&size=9999', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(views.getViewDataCalls[0]?.size).toBe(200);
  });

  it('403 sans scope read:tables', async () => {
    const repos = buildFakeRepos();
    const container = installTestContainer({
      repos,
      tokens: [{ token: 'brg_noread', name: 'no-read', scopes: ['write:tables'] }],
    });
    const testApp = buildTestApp(container);
    const res = await testApp.request('/api/v1/views/100/data?tableId=5', {
      headers: { Authorization: 'Bearer brg_noread' },
    });
    expect(res.status).toBe(403);
  });

  it('200 admin token fonctionne', async () => {
    const { app } = bootApp();
    const res = await app.request('/api/v1/views/100/data?tableId=5', {
      headers: { Authorization: `Bearer ${ADMIN_TOKEN}` },
    });
    expect(res.status).toBe(200);
  });

  it('502 si Baserow indisponible', async () => {
    const views = new FakeViewsRepo();
    views.failOnGetViewData = true;
    const { app } = bootApp(views);
    const res = await app.request('/api/v1/views/100/data?tableId=5', {
      headers: { Authorization: `Bearer ${READ_TOKEN}` },
    });
    expect(res.status).toBe(502);
  });

  it('WRITE_TOKEN (qui a read:tables) fonctionne en GET', async () => {
    const { app } = bootApp();
    const res = await app.request('/api/v1/views/100/data?tableId=5', {
      headers: { Authorization: `Bearer ${WRITE_TOKEN}` },
    });
    expect(res.status).toBe(200);
  });
});