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

export interface IPnpmLicenseResult {
  "name": string;
  "version": string;
  "path": string;
  "license": string;
  "author": string;
  "homepage": string;
  "description": string;
}

export type TPnpmLicenseMap = Record<string, IPnpmLicenseResult[]>;

export class SmartPnpm {
  public projectDir: string;

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

  private smartshellInstance = new plugins.smartshell.Smartshell({
    executor: 'bash',
  });

  async getDependencyLicenseJson(): Promise<TPnpmLicenseMap> {
    const projectDir = this.projectDir.replace(/(["\\$`])/g, '\\$1');
    const execResult = await this.smartshellInstance.execSilent(`(cd "${projectDir}" && pnpm licenses list --json)`);
    return JSON.parse(execResult.stdout) as TPnpmLicenseMap;
  }

  public async printDependencyLicenseSummary() {
    const result = await this.getDependencyLicenseJson();
    for (const licenseType of Object.keys(result)) {
      const refArray = result[licenseType];
      console.log(`${licenseType}: ${refArray.length} packages.`);
      if (licenseType !== 'MIT' && licenseType !== 'ISC') {
        for (const ref of refArray) {
          console.log(`|-- ${ref.name} (${ref.version})`);
        }
      } else {
        console.log(`|-- ${refArray.length} packages. Not detailing this license type.`);
      }
    }
  }

  public async getDependencyLicenseFlatArray() {
    const result = await this.getDependencyLicenseJson();
    const licenseArray: Array<{
      "name": string;
      "version": string;
      "path": string;
      "license": string;
      "author": string;
      "homepage": string;
      "description": string;
    }> = [];
    for (const licenseType of Object.keys(result)) {
      const refArray = result[licenseType];
      for (const ref of refArray) {
        licenseArray.push(ref);
      }
    }
    return licenseArray;
  }

  public async getDependencyLicenseArray() {
    const result = await this.getDependencyLicenseJson();
    return Object.keys(result);
  }
}