import {
  AssetMediaResponseDto,
  IntegrityReportResponseDto,
  LoginResponseDto,
  ManualJobName,
  QueueCommand,
  QueueName,
} from '@immich/sdk';
import { readFile } from 'node:fs/promises';
import { app, testAssetDir, utils } from 'src/utils';
import request from 'supertest';
import { afterEach, beforeAll, describe, expect, it } from 'vitest';

const assetFilepath = `${testAssetDir}/metadata/gps-position/thompson-springs.jpg`;
const asset1Filepath = `${testAssetDir}/albums/nature/el_torcal_rocks.jpg`;
const asset2Filepath = `${testAssetDir}/albums/nature/wood_anemones.jpg`;

describe('/admin/integrity', () => {
  let admin: LoginResponseDto;
  let asset: AssetMediaResponseDto;

  let user1: LoginResponseDto;
  let asset1: AssetMediaResponseDto;

  let user2: LoginResponseDto;
  let asset2: AssetMediaResponseDto;

  beforeAll(async () => {
    await utils.resetDatabase();
    admin = await utils.adminSetup();

    user1 = await utils.userSetup(admin.accessToken, {
      email: '1@example.com',
      name: '1',
      password: '1',
    });

    user2 = await utils.userSetup(admin.accessToken, {
      email: '2@example.com',
      name: '2',
      password: '2',
    });

    for (const queue of Object.values(QueueName)) {
      if (queue === QueueName.IntegrityCheck) {
        continue;
      }

      await utils.queueCommand(admin.accessToken, queue, {
        command: QueueCommand.Pause,
      });
    }

    asset = await utils.createAsset(admin.accessToken, {
      assetData: {
        filename: 'asset.jpg',
        bytes: await readFile(assetFilepath),
      },
    });

    asset1 = await utils.createAsset(user1.accessToken, {
      assetData: {
        filename: 'asset.jpg',
        bytes: await readFile(asset1Filepath),
      },
    });

    asset2 = await utils.createAsset(user2.accessToken, {
      assetData: {
        filename: 'asset.jpg',
        bytes: await readFile(asset2Filepath),
      },
    });

    await utils.mkFolder('/data/bak');
    await utils.copyFolder(`/data/upload/${admin.userId}`, `/data/bak/${admin.userId}`);

    for (const queue of Object.values(QueueName)) {
      if (queue === QueueName.IntegrityCheck) {
        continue;
      }

      await utils.queueCommand(admin.accessToken, queue, {
        command: QueueCommand.Empty,
      });

      await utils.queueCommand(admin.accessToken, queue, {
        command: QueueCommand.Resume,
      });
    }
  });

  afterEach(async () => {
    await utils.deleteFolder(`/data/upload/${admin.userId}`);
    await utils.copyFolder(`/data/bak/${admin.userId}`, `/data/upload/${admin.userId}`);
  });

  describe('POST /summary (& jobs)', async () => {
    it.sequential('reports no issues', async () => {
      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityUntrackedFiles,
      });

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityMissingFiles,
      });

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityChecksumMismatch,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityUntrackedFilesDeleteAll,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status, body } = await request(app)
        .get('/admin/integrity/summary')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);
      expect(body).toEqual({
        missing_file: 0,
        untracked_file: 0,
        checksum_mismatch: 0,
      });
    });

    it.sequential('should detect an untracked file (job: check untracked files)', async () => {
      await utils.putTextFile('untracked', `/data/upload/${admin.userId}/untracked1.png`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityUntrackedFiles,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status, body } = await request(app)
        .get('/admin/integrity/summary')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);
      expect(body).toEqual(
        expect.objectContaining({
          untracked_file: 1,
        }),
      );
    });

    it.sequential('should detect outdated untracked file reports (job: refresh untracked files)', async () => {
      // these should not be detected:
      await utils.putTextFile('untracked', `/data/upload/${admin.userId}/untracked2.png`);
      await utils.putTextFile('untracked', `/data/upload/${admin.userId}/untracked3.png`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityUntrackedFilesRefresh,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status, body } = await request(app)
        .get('/admin/integrity/summary')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);
      expect(body).toEqual(
        expect.objectContaining({
          untracked_file: 0,
        }),
      );
    });

    it.sequential('should delete untracked files (job: delete all untracked file reports)', async () => {
      await utils.putTextFile('untracked', `/data/upload/${admin.userId}/untracked1.png`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityUntrackedFiles,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityUntrackedFilesDeleteAll,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status, body } = await request(app)
        .get('/admin/integrity/summary')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);
      expect(body).toEqual(
        expect.objectContaining({
          untracked_file: 0,
        }),
      );
    });

    it.sequential('should detect a missing file and not a checksum mismatch (job: check missing files)', async () => {
      await utils.deleteFolder(`/data/upload/${admin.userId}`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityMissingFiles,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status, body } = await request(app)
        .get('/admin/integrity/summary')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);
      expect(body).toEqual(
        expect.objectContaining({
          missing_file: 1,
          checksum_mismatch: 0,
        }),
      );
    });

    it.sequential('should detect outdated missing file reports (job: refresh missing files)', async () => {
      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityMissingFilesRefresh,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status, body } = await request(app)
        .get('/admin/integrity/summary')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);
      expect(body).toEqual(
        expect.objectContaining({
          missing_file: 0,
          checksum_mismatch: 0,
        }),
      );
    });

    it.sequential('should delete assets with missing files (job: delete all missing file reports)', async () => {
      await utils.deleteFolder(`/data/upload/${user1.userId}`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityMissingFiles,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status: listStatus, body: listBody } = await request(app)
        .get('/admin/integrity/summary')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(listStatus).toBe(200);
      expect(listBody).toEqual(
        expect.objectContaining({
          missing_file: 1,
        }),
      );

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityMissingFilesDeleteAll,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status, body } = await request(app)
        .get('/admin/integrity/summary')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);
      expect(body).toEqual(
        expect.objectContaining({
          missing_file: 0,
        }),
      );

      await expect(utils.getAssetInfo(user1.accessToken, asset1.id)).resolves.toEqual(
        expect.objectContaining({
          isTrashed: true,
        }),
      );
    });

    it.sequential('should detect a checksum mismatch (job: check file checksums)', async () => {
      await utils.truncateFolder(`/data/upload/${admin.userId}`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityChecksumMismatch,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status, body } = await request(app)
        .get('/admin/integrity/summary')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);
      expect(body).toEqual(
        expect.objectContaining({
          checksum_mismatch: 1,
        }),
      );
    });

    it.sequential('should detect outdated checksum mismatch reports (job: refresh file checksums)', async () => {
      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityChecksumMismatchRefresh,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status, body } = await request(app)
        .get('/admin/integrity/summary')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);
      expect(body).toEqual(
        expect.objectContaining({
          checksum_mismatch: 0,
        }),
      );
    });

    it.sequential(
      'should delete assets with mismatched checksum (job: delete all checksum mismatch reports)',
      async () => {
        await utils.truncateFolder(`/data/upload/${user2.userId}`);

        await utils.createJob(admin.accessToken, {
          name: ManualJobName.IntegrityChecksumMismatch,
        });

        await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

        const { status: listStatus, body: listBody } = await request(app)
          .get('/admin/integrity/summary')
          .set('Authorization', `Bearer ${admin.accessToken}`)
          .send();

        expect(listStatus).toBe(200);
        expect(listBody).toEqual(
          expect.objectContaining({
            checksum_mismatch: 1,
          }),
        );

        await utils.createJob(admin.accessToken, {
          name: ManualJobName.IntegrityChecksumMismatchDeleteAll,
        });

        await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

        const { status, body } = await request(app)
          .get('/admin/integrity/summary')
          .set('Authorization', `Bearer ${admin.accessToken}`)
          .send();

        expect(status).toBe(200);
        expect(body).toEqual(
          expect.objectContaining({
            checksum_mismatch: 0,
          }),
        );

        await expect(utils.getAssetInfo(user2.accessToken, asset2.id)).resolves.toEqual(
          expect.objectContaining({
            isTrashed: true,
          }),
        );
      },
    );
  });

  describe('POST /report', async () => {
    it.sequential('reports untracked files', async () => {
      await utils.putTextFile('untracked', `/data/upload/${admin.userId}/untracked1.png`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityUntrackedFiles,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status, body } = await request(app)
        .get('/admin/integrity/report?type=untracked_file')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);
      expect(body).toEqual({
        nextCursor: undefined,
        items: expect.arrayContaining([
          {
            id: expect.any(String),
            type: 'untracked_file',
            path: `/data/upload/${admin.userId}/untracked1.png`,
            assetId: null,
            fileAssetId: null,
            createdAt: expect.any(String),
          },
        ]),
      });
    });

    it.sequential('reports missing files', async () => {
      await utils.deleteFolder(`/data/upload/${admin.userId}`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityMissingFiles,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status, body } = await request(app)
        .get('/admin/integrity/report?type=missing_file')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);
      expect(body).toEqual({
        nextCursor: undefined,
        items: expect.arrayContaining([
          {
            id: expect.any(String),
            type: 'missing_file',
            path: expect.any(String),
            assetId: asset.id,
            fileAssetId: null,
            createdAt: expect.any(String),
          },
        ]),
      });
    });

    it.sequential('reports checksum mismatched files', async () => {
      await utils.truncateFolder(`/data/upload/${admin.userId}`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityChecksumMismatch,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status, body } = await request(app)
        .get('/admin/integrity/report?type=checksum_mismatch')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);
      expect(body).toEqual({
        nextCursor: undefined,
        items: expect.arrayContaining([
          {
            id: expect.any(String),
            type: 'checksum_mismatch',
            path: expect.any(String),
            assetId: asset.id,
            fileAssetId: null,
            createdAt: expect.any(String),
          },
        ]),
      });
    });
  });

  describe('DELETE /report/:id', async () => {
    it.sequential('delete untracked files', async () => {
      await utils.putTextFile('untracked', `/data/upload/${admin.userId}/untracked1.png`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityUntrackedFiles,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status: listStatus, body: listBody } = await request(app)
        .get('/admin/integrity/report?type=untracked_file')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(listStatus).toBe(200);

      const report = (listBody as IntegrityReportResponseDto).items.find(
        (item) => item.path === `/data/upload/${admin.userId}/untracked1.png`,
      )!;

      const { status } = await request(app)
        .delete(`/admin/integrity/report/${report.id}`)
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityUntrackedFiles,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status: listStatus2, body: listBody2 } = await request(app)
        .get('/admin/integrity/report?type=untracked_file')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(listStatus2).toBe(200);
      expect(listBody2).not.toBe(
        expect.objectContaining({
          items: expect.arrayContaining([
            expect.objectContaining({
              id: report.id,
            }),
          ]),
        }),
      );
    });

    it.sequential('delete assets missing files', async () => {
      await utils.deleteFolder(`/data/upload/${admin.userId}`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityMissingFiles,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status: listStatus, body: listBody } = await request(app)
        .get('/admin/integrity/report?type=missing_file')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(listStatus).toBe(200);
      expect(listBody.items.length).toBe(1);

      const report = (listBody as IntegrityReportResponseDto).items[0];

      const { status } = await request(app)
        .delete(`/admin/integrity/report/${report.id}`)
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityMissingFiles,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status: listStatus2, body: listBody2 } = await request(app)
        .get('/admin/integrity/report?type=missing_file')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(listStatus2).toBe(200);
      expect(listBody2.items.length).toBe(0);
    });

    it.sequential('delete assets with failing checksum', async () => {
      await utils.truncateFolder(`/data/upload/${admin.userId}`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityChecksumMismatch,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status: listStatus, body: listBody } = await request(app)
        .get('/admin/integrity/report?type=checksum_mismatch')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(listStatus).toBe(200);
      expect(listBody.items.length).toBe(1);

      const report = (listBody as IntegrityReportResponseDto).items[0];

      const { status } = await request(app)
        .delete(`/admin/integrity/report/${report.id}`)
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityChecksumMismatch,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status: listStatus2, body: listBody2 } = await request(app)
        .get('/admin/integrity/report?type=checksum_mismatch')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(listStatus2).toBe(200);
      expect(listBody2.items.length).toBe(0);
    });
  });

  describe('GET /report/:type/csv', () => {
    it.sequential('exports untracked files as csv', async () => {
      await utils.putTextFile('untracked', `/data/upload/${admin.userId}/untracked1.png`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityUntrackedFiles,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { status, headers, text } = await request(app)
        .get('/admin/integrity/report/untracked_file/csv')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      expect(status).toBe(200);
      expect(headers['content-type']).toContain('text/csv');
      expect(headers['content-disposition']).toContain('.csv');
      expect(text).toContain('id,type,assetId,fileAssetId,path');
      expect(text).toContain(`untracked_file`);
      expect(text).toContain(`/data/upload/${admin.userId}/untracked1.png`);
    });
  });

  describe('GET /report/:id/file', () => {
    it.sequential('downloads untracked file', async () => {
      await utils.putTextFile('untracked-content', `/data/upload/${admin.userId}/untracked1.png`);

      await utils.createJob(admin.accessToken, {
        name: ManualJobName.IntegrityUntrackedFiles,
      });

      await utils.waitForQueueFinish(admin.accessToken, QueueName.IntegrityCheck);

      const { body: listBody } = await request(app)
        .get('/admin/integrity/report?type=untracked_file')
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .send();

      const report = (listBody as IntegrityReportResponseDto).items.find(
        (item) => item.path === `/data/upload/${admin.userId}/untracked1.png`,
      )!;

      const { status, headers, body } = await request(app)
        .get(`/admin/integrity/report/${report.id}/file`)
        .set('Authorization', `Bearer ${admin.accessToken}`)
        .buffer(true)
        .send();

      expect(status).toBe(200);
      expect(headers['content-type']).toContain('application/octet-stream');
      expect(body.toString()).toBe('untracked-content');
    });
  });
});