import { fs } from '~test/util.ts';
import { extractPackageFile } from './index.ts';

vi.mock('../../../util/fs/index.ts');

describe('modules/manager/helm-requirements/extract', () => {
  describe('extractPackageFile()', () => {
    it('ensure that currentValue is string', () => {
      fs.readLocalFile.mockResolvedValueOnce(`
      apiVersion: v1
      appVersion: "1.0"
      description: A Helm chart for Kubernetes
      name: example
      version: 0.1.0
      `);
      const content = `
      dependencies:
        - name: redis
          version: 0.9
          repository: '@placeholder'
      `;
      const fileName = 'requirements.yaml';
      const result = extractPackageFile(content, fileName, {
        registryAliases: {
          stable: 'https://charts.helm.sh/stable/',
        },
      });
      expect(result).toEqual({
        datasource: 'helm',
        deps: [
          {
            currentValue: '0.9',
            depName: 'redis',
            registryUrls: ['@placeholder'],
            skipReason: 'placeholder-url',
          },
        ],
      });
    });

    it('skips invalid registry urls', () => {
      fs.readLocalFile.mockResolvedValueOnce(`
      apiVersion: v1
      appVersion: "1.0"
      description: A Helm chart for Kubernetes
      name: example
      version: 0.1.0
      `);
      const content = `
      dependencies:
        - name: redis
          version: 0.9.0
          repository: '@placeholder'
        - name: postgresql
          version: 0.8.1
          repository: nope
        - name: broken
          version: 0.8.1
      `;
      const fileName = 'requirements.yaml';
      const result = extractPackageFile(content, fileName, {
        registryAliases: {
          stable: 'https://charts.helm.sh/stable/',
        },
      });
      expect(result?.deps).toMatchObject([
        { depName: 'redis', skipReason: 'placeholder-url' },
        { depName: 'postgresql', skipReason: 'invalid-url' },
        { depName: 'broken', skipReason: 'no-repository' },
      ]);
    });

    it('parses simple requirements.yaml correctly', () => {
      fs.readLocalFile.mockResolvedValueOnce(`
      apiVersion: v1
      appVersion: "1.0"
      description: A Helm chart for Kubernetes
      name: example
      version: 0.1.0
      `);
      const content = `
      dependencies:
        - name: redis
          version: 0.9.0
          repository: https://charts.helm.sh/stable/
        - name: postgresql
          version: 0.8.1
          repository: https://charts.helm.sh/stable/
      `;
      const fileName = 'requirements.yaml';
      const result = extractPackageFile(content, fileName, {
        registryAliases: {
          stable: 'https://charts.helm.sh/stable/',
        },
      });
      expect(result).toEqual({
        datasource: 'helm',
        deps: [
          {
            currentValue: '0.9.0',
            depName: 'redis',
            registryUrls: ['https://charts.helm.sh/stable/'],
          },
          {
            currentValue: '0.8.1',
            depName: 'postgresql',
            registryUrls: ['https://charts.helm.sh/stable/'],
          },
        ],
      });
    });

    it('parses simple requirements.yaml but skips if necessary fields missing', () => {
      fs.readLocalFile.mockResolvedValueOnce(`
      apiVersion: v1
      appVersion: "1.0"
      description: A Helm chart for Kubernetes
      name: example
      `);
      const fileName = 'requirements.yaml';
      const result = extractPackageFile('', fileName, {
        registryAliases: {
          stable: 'https://charts.helm.sh/stable/',
        },
      });
      expect(result).toBeNull();
    });

    it('resolves aliased registry urls', () => {
      fs.readLocalFile.mockResolvedValueOnce(`
      apiVersion: v1
      appVersion: "1.0"
      description: A Helm chart for Kubernetes
      name: example
      version: 0.1.0
      `);
      const content = `
      dependencies:
        - name: redis
          version: 0.9.0
          repository: '@placeholder'
        - name: example
          version: 1.0.0
          repository: alias:longalias
      `;
      const fileName = 'requirements.yaml';
      const result = extractPackageFile(content, fileName, {
        registryAliases: {
          placeholder: 'https://my-registry.gcr.io/',
          longalias: 'https://registry.example.com/',
        },
      });
      expect(result).toEqual({
        datasource: 'helm',
        deps: [
          {
            currentValue: '0.9.0',
            depName: 'redis',
            registryUrls: ['https://my-registry.gcr.io/'],
          },
          {
            currentValue: '1.0.0',
            depName: 'example',
            registryUrls: ['https://registry.example.com/'],
          },
        ],
      });
    });

    it('skips local dependencies', () => {
      fs.readLocalFile.mockResolvedValueOnce(`
      apiVersion: v1
      appVersion: "1.0"
      description: A Helm chart for Kubernetes
      name: example
      version: 0.1.0
      `);
      const content = `
      dependencies:
        - name: redis
          version: 0.9.0
          repository: https://charts.helm.sh/stable/
        - name: postgresql
          version: 0.8.1
          repository: file:///some/local/path/
      `;
      const fileName = 'requirements.yaml';
      const result = extractPackageFile(content, fileName, {
        registryAliases: {
          stable: 'https://charts.helm.sh/stable/',
        },
      });
      expect(result?.deps).toMatchObject([
        { depName: 'redis' },
        { depName: 'postgresql', skipReason: 'local-dependency' },
      ]);
    });

    it('returns null if no dependencies', () => {
      fs.readLocalFile.mockResolvedValueOnce(`
      apiVersion: v1
      appVersion: "1.0"
      description: A Helm chart for Kubernetes
      name: example
      version: 0.1.0
      `);
      const content = `
      hello: world
      `;
      const fileName = 'requirements.yaml';
      const result = extractPackageFile(content, fileName, {
        registryAliases: {
          stable: 'https://charts.helm.sh/stable/',
        },
      });
      expect(result).toBeNull();
    });

    it('returns null if requirements.yaml is invalid', () => {
      fs.readLocalFile.mockResolvedValueOnce(`
      apiVersion: v1
      appVersion: "1.0"
      description: A Helm chart for Kubernetes
      name: example
      version: 0.1.0
      `);
      const content = `
      Invalid requirements.yaml content.
      dependencies:
      [
      `;
      const fileName = 'requirements.yaml';
      const result = extractPackageFile(content, fileName, {
        registryAliases: {
          stable: 'https://charts.helm.sh/stable/',
        },
      });
      expect(result).toBeNull();
    });

    it('returns null if Chart.yaml is empty', () => {
      const content = '';
      const fileName = 'requirements.yaml';
      const result = extractPackageFile(content, fileName, {
        registryAliases: {
          stable: 'https://charts.helm.sh/stable/',
        },
      });
      expect(result).toBeNull();
    });

    describe.each([
      {
        content: `
      dependencies:
        - {}
      `,
        fieldName: 'name',
        want: {
          datasource: 'helm',
          deps: [
            {
              currentValue: undefined,
              depName: undefined,
              skipReason: 'invalid-name',
            },
          ],
        },
      },
      {
        content: `
      dependencies:
        - name: postgres
      `,
        fieldName: 'version',
        want: {
          datasource: 'helm',
          deps: [
            {
              currentValue: undefined,
              depName: 'postgres',
              skipReason: 'invalid-version',
            },
          ],
        },
      },
      {
        content: `
      dependencies:
        - name: postgres
          version: 0.1.0
      `,
        fieldName: 'repository',
        want: {
          datasource: 'helm',
          deps: [
            {
              currentValue: '0.1.0',
              depName: 'postgres',
              skipReason: 'no-repository',
            },
          ],
        },
      },
    ])('validates required fields', (params) => {
      it(`validates ${params.fieldName} is required`, () => {
        fs.readLocalFile.mockResolvedValueOnce(`
      apiVersion: v1
      appVersion: "1.0"
      description: A Helm chart for Kubernetes
      name: example
      version: 0.1.0
      `);
        const fileName = 'requirements.yaml';
        const result = extractPackageFile(params.content, fileName, {});
        expect(result).toEqual(params.want);
      });
    });

    it('skips only invalid dependences', () => {
      fs.readLocalFile.mockResolvedValueOnce(`
      apiVersion: v1
      appVersion: "1.0"
      description: A Helm chart for Kubernetes
      name: example
      version: 0.1.0
      `);
      const content = `
      dependencies:
        - name: postgresql
          repository: https://charts.helm.sh/stable/
        - version: 0.0.1
          repository: https://charts.helm.sh/stable/
        - name: redis
          version: 0.0.1
        - name: redis
          version: 0.0.1
          repository: https://charts.helm.sh/stable/
      `;
      const fileName = 'requirements.yaml';
      const result = extractPackageFile(content, fileName, {});
      expect(result).toEqual({
        datasource: 'helm',
        deps: [
          {
            currentValue: undefined,
            depName: 'postgresql',
            skipReason: 'invalid-version',
          },
          {
            currentValue: '0.0.1',
            depName: undefined,
            skipReason: 'invalid-name',
          },
          {
            currentValue: '0.0.1',
            depName: 'redis',
            skipReason: 'no-repository',
          },
          {
            currentValue: '0.0.1',
            depName: 'redis',
            registryUrls: ['https://charts.helm.sh/stable/'],
          },
        ],
      });
    });
  });
});