import * as plugins from '../plugins.js';

export class ProjectContext {
  public static async fromDir(dirArg: string) {}

  // INSTANCE
  public projectDir: string;

  constructor(projectDirArg: string) {
    this.projectDir = projectDirArg;
  }

  public async gatherFiles() {
    const smartfilePackageJSON = await plugins.smartfile.SmartFile.fromFilePath(
      plugins.path.join(this.projectDir, 'package.json'),
      this.projectDir
    );
    const smartfilesReadme = await plugins.smartfile.SmartFile.fromFilePath(
      plugins.path.join(this.projectDir, 'readme.md'),
      this.projectDir
    );

    const smartfilesReadmeHints = await plugins.smartfile.SmartFile.fromFilePath(
      plugins.path.join(this.projectDir, 'readme.hints.md'),
      this.projectDir
    );
    const smartfilesNpmextraJSON = await plugins.smartfile.SmartFile.fromFilePath(
      plugins.path.join(this.projectDir, 'npmextra.json'),
      this.projectDir
    );
    const smartfilesMod = await plugins.smartfile.fs.fileTreeToObject(
      this.projectDir,
      'ts/**/*.ts'
    );
    const smartfilesTest = await plugins.smartfile.fs.fileTreeToObject(
      this.projectDir,
      'test/**/*.ts'
    );
    return {
      smartfilePackageJSON,
      smartfilesReadme,
      smartfilesReadmeHints,
      smartfilesNpmextraJSON,
      smartfilesMod,
      smartfilesTest,
    };
  }

  public async convertFilesToContext(filesArg: plugins.smartfile.SmartFile[]) {
    return filesArg
      .map((smartfile) => {
        return `
====== START OF FILE ${smartfile.relative} ======
  
${smartfile.contents.toString()}
  
====== END OF FILE ${smartfile.relative} ======
        `;
      })
      .join('\n');
  }

  private async buildContext(dirArg: string) {
    const files = await this.gatherFiles();
    let context = await this.convertFilesToContext([
      files.smartfilePackageJSON,
      files.smartfilesReadme,
      files.smartfilesReadmeHints,
      files.smartfilesNpmextraJSON,
      ...files.smartfilesMod,
      ...files.smartfilesTest,
    ]);
    return context;
  }

  public async update() {
    const result = await this.buildContext(this.projectDir);
    return result;
  }
}