const path = require('path');
const Blueprint   = require('../../ember-cli/lib/models/blueprint');
const dynamicPathParser = require('../../utilities/dynamic-path-parser');
const getFiles = Blueprint.prototype.files;

export default Blueprint.extend({
  description: '',

  availableOptions: [
    { name: 'spec', type: Boolean },
    { name: 'routing', type: Boolean, default: false }
  ],

  normalizeEntityName: function (entityName: string) {
    this.entityName = entityName;
    const parsedPath = dynamicPathParser(this.project, entityName);

    this.dynamicPath = parsedPath;
    return parsedPath.name;
  },

  locals: function (options: any) {
    options.spec = options.spec !== undefined ?
      options.spec :
      this.project.ngConfigObj.get('defaults.spec.module');

    return {
      dynamicPath: this.dynamicPath.dir,
      spec: options.spec,
      routing: options.routing
    };
  },

  files: function() {
    let fileList = getFiles.call(this) as Array<string>;

    if (!this.options || !this.options.spec) {
      fileList = fileList.filter(p => p.indexOf('__name__.module.spec.ts') < 0);
    }
    if (this.options && !this.options.routing) {
      fileList = fileList.filter(p => p.indexOf('__name__-routing.module.ts') < 0);
    }

    return fileList;
  },

  fileMapTokens: function (options: any) {
    // Return custom template variables here.
    this.dasherizedModuleName = options.dasherizedModuleName;
    return {
      __path__: () => {
        this.generatePath = this.dynamicPath.dir
          + path.sep
          + options.dasherizedModuleName;
        return this.generatePath;
      }
    };
  },

  afterInstall: function (options: any) {
    if (this.options && this.options.routing) {

      // Component folder needs to be `/{moduleName}/{ComponentName}`
      // Note that we are using `flat`, so no extra dir will be created
      // We need the leading `/` so the component path resolution work for both cases below:
      // 1. If module name has no path (no `/`), that's going to be `/mod-name/mod-name`
      //      as `this.dynamicPath.dir` will be the same as `this.dynamicPath.appRoot`
      // 2. If it does have `/` (like `parent/mod-name`), it'll be `/parent/mod-name/mod-name`
      //      as `this.dynamicPath.dir` minus `this.dynamicPath.appRoot` will be `/parent`
      const moduleDir = this.dynamicPath.dir.replace(this.dynamicPath.appRoot, '')
                      + path.sep + this.dasherizedModuleName;
      options.entity.name = moduleDir + path.sep + this.dasherizedModuleName;
      options.flat = true;

      options.route = false;
      options.inlineTemplate = false;
      options.inlineStyle = false;
      options.prefix = null;
      options.spec = true;
      return Blueprint.load(path.join(__dirname, '../component')).install(options);
    }
  }
});