import { Rule, SchematicContext, Tree, url, apply, mergeWith, renameTemplateFiles, template, move } from '@angular-devkit/schematics';
import { IBasicConfig, Project } from '@vmfvmf/ywtc-lib';
import { initiateProjectTemplate } from '../../ng-new.gen';
import { getPrjSrd } from '../../router.gen';

export function gen(prj: Project): Rule {
  return async (tree: Tree, _context: SchematicContext) => {    

    const projectDir = tree.getDir(`ywtc-output/${getPrjSrd().prjNDashd}-backend`);

    prj.config.sharedConfig.frontendPort = (4200 + prj.id).toString();
    prj.config.sharedConfig.backendPort  = (8080 + prj.id).toString();

    prj.config.databaseConfig.user = prj.config.databaseConfig.dbName + '_user';
    prj.config.databaseConfig.psw = '12345678';

    const sourceTemplates = url('../../../src/backend/new/files');
    setSqlDialect(prj.config);

    const appSource = apply(sourceTemplates, [
      renameTemplateFiles(), 
      template({...prj.config, ...prj.config.sharedConfig}), 
      move(projectDir.path)
    ]);
    return mergeWith(appSource);
  };
}

const sqlDialect = new Map([
  ['MYSQL', 'MySQL8Dialect']
]);

function setSqlDialect(prjConfig: IBasicConfig) {
  prjConfig.databaseConfig!.dialect = sqlDialect.get(prjConfig.databaseConfig!.type!);
}