/**
 * Copyright 2024 actions-toolkit authors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

import {afterEach, beforeEach, describe, expect, it, jest, test} from '@jest/globals';
import * as fs from 'fs';
import * as path from 'path';

import {Buildx} from '../../src/buildx/buildx';
import {Bake} from '../../src/buildx/bake';
import {Build} from '../../src/buildx/build';
import {History} from '../../src/buildx/history';
import {Exec} from '../../src/exec';

const fixturesDir = path.join(__dirname, '..', 'fixtures');

// prettier-ignore
const tmpDir = path.join(process.env.TEMP || '/tmp', 'buildx-history-jest');

const maybe = !process.env.GITHUB_ACTIONS || (process.env.GITHUB_ACTIONS === 'true' && process.env.ImageOS && process.env.ImageOS.startsWith('ubuntu')) ? describe : describe.skip;

maybe('exportBuild', () => {
  // prettier-ignore
  test.each([
    [
      'single',
      [
        'build',
        '-f', path.join(fixturesDir, 'hello.Dockerfile'),
        fixturesDir
      ],
    ],
    [
      'multi-platform',
      [
        'build',
        '-f', path.join(fixturesDir, 'hello.Dockerfile'),
        '--platform', 'linux/amd64,linux/arm64',
        fixturesDir
      ],
    ]
  ])('export build %p', async (_, bargs) => {
    const buildx = new Buildx();
    const build = new Build({buildx: buildx});

    fs.mkdirSync(tmpDir, {recursive: true});
    await expect(
      (async () => {
        // prettier-ignore
        const buildCmd = await buildx.getCommand([
          '--builder', process.env.CTN_BUILDER_NAME ?? 'default',
          ...bargs,
          '--metadata-file', build.getMetadataFilePath()
        ]);
        await Exec.exec(buildCmd.command, buildCmd.args);
      })()
    ).resolves.not.toThrow();

    const metadata = build.resolveMetadata();
    expect(metadata).toBeDefined();
    const buildRef = build.resolveRef(metadata);
    expect(buildRef).toBeDefined();

    const history = new History({buildx: buildx});
    const exportRes = await history.export({
      refs: [buildRef ?? '']
    });

    expect(exportRes).toBeDefined();
    expect(exportRes?.dockerbuildFilename).toBeDefined();
    expect(exportRes?.dockerbuildSize).toBeDefined();
    expect(fs.existsSync(exportRes?.dockerbuildFilename)).toBe(true);
    expect(exportRes?.summaries).toBeDefined();
  });

  // prettier-ignore
  test.each([
    [
      'single',
      [
        'bake',
        '-f', path.join(fixturesDir, 'hello-bake.hcl'),
        'hello'
      ],
    ],
    [
      'group',
      [
        'bake',
        '-f', path.join(fixturesDir, 'hello-bake.hcl'),
        'hello-all'
      ],
    ],
    [
      'matrix',
      [
        'bake',
        '-f', path.join(fixturesDir, 'hello-bake.hcl'),
        'hello-matrix'
      ],
    ]
  ])('export bake build %p', async (_, bargs) => {
    const buildx = new Buildx();
    const bake = new Bake({buildx: buildx});

    fs.mkdirSync(tmpDir, {recursive: true});
    await expect(
      (async () => {
        // prettier-ignore
        const buildCmd = await buildx.getCommand([
          '--builder', process.env.CTN_BUILDER_NAME ?? 'default',
          ...bargs,
          '--metadata-file', bake.getMetadataFilePath()
        ]);
        await Exec.exec(buildCmd.command, buildCmd.args, {
          cwd: fixturesDir
        });
      })()
    ).resolves.not.toThrow();

    const metadata = bake.resolveMetadata();
    expect(metadata).toBeDefined();
    const buildRefs = bake.resolveRefs(metadata);
    expect(buildRefs).toBeDefined();

    const history = new History({buildx: buildx});
    const exportRes = await history.export({
      refs: buildRefs ?? []
    });

    expect(exportRes).toBeDefined();
    expect(exportRes?.dockerbuildFilename).toBeDefined();
    expect(exportRes?.dockerbuildSize).toBeDefined();
    expect(fs.existsSync(exportRes?.dockerbuildFilename)).toBe(true);
    expect(exportRes?.summaries).toBeDefined();
  });
});

maybe('exportBuild custom image', () => {
  const originalEnv = process.env;
  beforeEach(() => {
    jest.resetModules();
    process.env = {
      ...originalEnv,
      DOCKER_BUILD_EXPORT_BUILD_IMAGE: 'docker.io/dockereng/export-build:0.2.2'
    };
  });
  afterEach(() => {
    process.env = originalEnv;
  });

  it('with custom image', async () => {
    const buildx = new Buildx();
    const build = new Build({buildx: buildx});

    fs.mkdirSync(tmpDir, {recursive: true});
    await expect(
      (async () => {
        // prettier-ignore
        const buildCmd = await buildx.getCommand([
          '--builder', process.env.CTN_BUILDER_NAME ?? 'default',
          'build', '-f', path.join(fixturesDir, 'hello.Dockerfile'),
          '--metadata-file', build.getMetadataFilePath(),
          fixturesDir
        ]);
        await Exec.exec(buildCmd.command, buildCmd.args);
      })()
    ).resolves.not.toThrow();

    const metadata = build.resolveMetadata();
    expect(metadata).toBeDefined();
    const buildRef = build.resolveRef(metadata);
    expect(buildRef).toBeDefined();

    const history = new History({buildx: buildx});
    const exportRes = await history.export({
      refs: [buildRef ?? '']
    });

    expect(exportRes).toBeDefined();
    expect(exportRes?.dockerbuildFilename).toBeDefined();
    expect(exportRes?.dockerbuildSize).toBeDefined();
    expect(fs.existsSync(exportRes?.dockerbuildFilename)).toBe(true);
    expect(exportRes?.summaries).toBeDefined();
  });
});