import inquirer = require('inquirer');
import * as path from 'path';
import * as jsonfile from 'jsonfile';
import * as _ from 'lodash';
import * as async from 'async';
import * as fs from 'fs';
import * as shelljs from 'shelljs';
import * as ejs from 'ejs';
import {default as chalk} from 'chalk';
let simpleGit = require('simple-git/promise');

export class ExtLB {
  logo: string = chalk.green(`                 (          
               ) )\\ )   (   
 (       )  ( /((()/( ( )\\  
 )\\   ( /(  )\\())/(_)))((_) 
((_)  )\\())(_))/(_)) ((_)_  
| __|((_)\\ | |_ | |   | _ ) 
| _| \\ \\ / |  _|| |__ | _ \\ 
|___|/_\\_\\  \\__||____||___/ `);
  versions: string[] = ['v1'];
  authentication: object[] = [{name: 'User', value: 'users'},{name: 'Accounts', value: 'accounts'}];
  platforms: object[] = [{name:'desktop', checked: true}, {name:'phone'}];
  features: object[] = [
    new inquirer.Separator('ExtLoop Features'), {
      name: 'Browserify',
      value: 'browserify',
      checked: true
    }, {
      name: 'Socket.IO',
      value: 'socketio',
      checked: true
    }, {
      name: 'Authentication',
      value: 'auth',
      checked: true
    }, {
      name: 'Queues',
      value: 'queues'
    }, new inquirer.Separator('ExtLoop Perspectives'), {
      name: 'Admin',
      value: 'perspective-admin',
      checked: true
    }, {
      name: 'Auth',
      value: 'perspective-auth',
      checked: true
    }, {
      name: 'Error',
      value: 'perspective-error',
      checked: true
    }, {
      name: 'Main',
      value: 'perspective-main',
      checked: true
    }
  ];
  models: object[] = [
    {name: 'Model', value: 'Model'},
    {name: 'PersistedModel', value: 'PersistedModel'},
    {name: 'ACL', value: 'ACL'},
    {name: 'AccessToken', value: 'AccessToken'},
    {name: 'Application', value: 'Application'},
    {name: 'Change', value: 'Change'},
    {name: 'Checkpoint', value: 'Checkpoint'},
    {name: 'Email', value: 'Email'},
    {name: 'KeyValueModel', value: 'KeyValueModel'},
    {name: 'Role', value: 'Role'},
    {name: 'RoleMapping', value: 'RoleMapping'},
    {name: 'Scope', value: 'Scope'},
    {name: 'User', value: 'User'},
    {name: '(custom)', value: 'custom'}
  ];
  constructor() {
  }
  static checkAvailable(dir: string): boolean {
    return !shelljs.test('-e', path.join(dir, 'package.json'));
  }
  createApp(options: { name: string, camelName: string, snakeName: string, capitalName: string, description: string, version: string, authType: string, platforms: [string], features: [string]}) {
    console.log('Creating Application', options);
    if (ExtLB.checkAvailable(process.cwd())) {
      process.stdout.write(chalk.keyword('limegreen')('Retrieving application template '));
      simpleGit().clone('https://gitlab.com/ExtLB/app-template.git', '.').then(() => {
        process.stdout.write(chalk.keyword('limegreen')(' done!\n'));
        shelljs.rm('-fr', '.git');
        if (!_.includes(options.platforms, 'desktop')) {
          shelljs.rm('-fr', ['config/client/desktop.json', 'resources/moderndesktop', 'app/desktop']);
        }
        if (!_.includes(options.platforms, 'phone')) {
          shelljs.rm('-fr', ['config/client/phone.json', 'resources/modernphone', 'app/phone']);
        }
        let modifications: any = {};
        _.filter(shelljs.ls(`${__dirname}${path.sep}app${path.sep}*.ts`), (file) => {
          return !_.endsWith(file, '.d.ts');
        }).map((file) => {
          return file.substr(0, file.length - 3);
        }).forEach((changer) => {
          modifications[changer] = require(`${changer}`).default;
        });
        let modifiers: any = {};
        _.each(modifications, (files) => {
          _.each(files, (changes, file) => {
            if (_.isUndefined(modifiers[file])) {
              modifiers[file] = [];
            }
            modifiers[file].push(changes);
          });
        });
        process.stdout.write(chalk.keyword('limegreen')(`Modifying ${_.keys(modifiers).length} files `));
        let files = _.keys(modifiers);
        _.each(files, (file) => {
          let content: any = null;
          if (_.endsWith(file, '.json')) {
            content = jsonfile.readFileSync(file);
          } else {
            content = fs.readFileSync(file, {encoding: 'utf8'});
          }
          modifiers[file].forEach((modifier: (options: object, content: any) => object) => {
            content = modifier(options, content);
          });
          process.stdout.write('.');
          if (_.isNull(content)) {
            shelljs.rm(file);
          } else {
            if (_.endsWith(file, '.json')) {
              jsonfile.writeFileSync(file, content, {spaces: 2});
            } else {
              fs.writeFileSync(file, content, {encoding: 'utf8'});
            }
          }
        });
        process.stdout.write(chalk.keyword('limegreen')(' done!\n'));
        console.log(chalk.keyword('limegreen')('Installing/Building Modules (npm install)'));
        shelljs.exec('npm install', {silent:false}, () => {
          console.log(chalk.keyword('limegreen')('Modules Installed!'));
          if (
            _.includes(options.features, 'perspective-admin') ||
            _.includes(options.features, 'perspective-auth') ||
            _.includes(options.features, 'perspective-error') ||
            _.includes(options.features, 'perspective-main') ||
            _.includes(options.features, 'auth')
          ) {
            let perspectives = _.filter(options.features, (feature) => {
              return _.startsWith(feature, 'perspective-');
            }).map((feature) => {
              return `@extlb/${feature}`;
            });
            let installs: async.Dictionary<async.AsyncFunction<{},{}>> = {};
            // let installs: {perspectives?: Function, authentication?: Function} = {};
            if (perspectives.length !== 0) {
              installs.perspectives = (cb: (err?: {}, result?: {}) => void) => {
                process.stdout.write(chalk.keyword('limegreen')(`Installing ${perspectives.length} Perspectives `));
                shelljs.exec(`npm install ${perspectives.join(' ')} -S`, {silent:true}, (err) => {
                  if (err) {
                    console.error(err);
                    cb(err);
                  } else {
                    process.stdout.write(chalk.keyword('limegreen')(' done!\n'));
                    cb();
                  }
                });
              };
            }
            if (_.includes(options.features, 'auth')) {
              if (options.authType === 'users') {
                installs.authentication = (cb: (err?: {}, result?: {}) => void) => {
                  process.stdout.write(chalk.keyword('limegreen')('Installing Authentication Module '));
                  shelljs.exec('npm install @extlb/auth -S', {silent: true}, (err) => {
                    if (err) {
                      console.error(err);
                      cb(err);
                    } else {
                      process.stdout.write(chalk.keyword('limegreen')(' done!\n'));
                      cb();
                    }
                  });
                };
              } else if (options.authType === 'accounts') {
                installs.authentication = (cb: (err?: {}, result?: {}) => void) => {
                  process.stdout.write(chalk.keyword('limegreen')('Installing Accounts Module '));
                  shelljs.exec('npm install @extlb/module-admin-accounts -S', {silent: true}, (err) => {
                    if (err) {
                      console.error(err);
                      cb(err);
                    } else {
                      process.stdout.write(chalk.keyword('limegreen')(' done!\n'));
                      cb();
                    }
                  });
                };
              }
            }
            installs.grunt = (cb: (err?: {}, result?: {}) => void) => {
              process.stdout.write(chalk.keyword('limegreen')('Building application '));
              shelljs.exec('grunt "Build Testing Desktop"', {silent:true}, (err) => {
                if (err) {
                  console.error(err);
                  cb(err);
                } else {
                  process.stdout.write(chalk.keyword('limegreen')(' done!\n'));
                  cb();
                }
              });
            };
            async.series(installs, (err) => {
              if (err) {
                console.log(err);
              } else {
                console.log(chalk.keyword('limegreen')('Install Completed!'));
              }
            });
          }
        });
      }).catch((err: any) => {
        console.error(err);
      });
    } else {
      console.log(chalk.red('package.json already exists!\n'));
    }
    // console.log(modifiers);
  }
  createModule(options: { name: string, camelName: string, snakeName: string, capitalName: string, server: boolean, client: boolean}) {
    console.log('Creating Module', options);
    if (ExtLB.checkAvailable(process.cwd())) {
      process.stdout.write(chalk.keyword('limegreen')('Retrieving module template '));
      simpleGit().clone('https://gitlab.com/ExtLB/module-template.git', '.').then(() => {
        process.stdout.write(chalk.keyword('limegreen')(' done!\n'));
        shelljs.rm('-fr', '.git');
        let modifications: any = {};
        _.filter(shelljs.ls(`${__dirname}${path.sep}module${path.sep}*.ts`), (file) => {
          return !_.endsWith(file, '.d.ts');
        }).map((file) => {
          return file.substr(0, file.length - 3);
        }).forEach((changer) => {
          modifications[changer] = require(`${changer}`).default;
        });
        let modifiers: any = {};
        _.each(modifications, (files) => {
          _.each(files, (changes, file) => {
            if (_.isUndefined(modifiers[file])) {
              modifiers[file] = [];
            }
            modifiers[file].push(changes);
          });
        });
        process.stdout.write(chalk.keyword('limegreen')(`Modifying ${_.keys(modifiers).length} files `));
        let files = _.keys(modifiers);
        _.each(files, (file) => {
          let content: any = null;
          if (_.endsWith(file, '.json')) {
            content = jsonfile.readFileSync(file);
          } else {
            content = fs.readFileSync(file, {encoding: 'utf8'});
          }
          modifiers[file].forEach((modifier: (options: object, content: any) => object) => {
            content = modifier(options, content);
          });
          process.stdout.write('.');
          if (_.isNull(content)) {
            shelljs.rm(file);
          } else {
            if (_.endsWith(file, '.json')) {
              jsonfile.writeFileSync(file, content, {spaces: 2});
            } else {
              fs.writeFileSync(file, content, {encoding: 'utf8'});
            }
          }
        });
        process.stdout.write(chalk.keyword('limegreen')(' done!\n'));
        process.stdout.write(chalk.keyword('limegreen')('Relocating 2 paths '));
        shelljs.mv(`app${path.sep}desktop${path.sep}src${path.sep}view${path.sep}template`, `app${path.sep}desktop${path.sep}src${path.sep}view${path.sep}${options.name}`);
        process.stdout.write('.');
        shelljs.mv(`locales${path.sep}en-US${path.sep}mod-template.json`, `locales${path.sep}en-US${path.sep}mod-${options.name}.json`);
        process.stdout.write('.');
        process.stdout.write(chalk.keyword('limegreen')(' done!\n'));
        console.log(chalk.keyword('limegreen')('Installing/Building Modules (npm install)'));
        shelljs.exec('npm install', {silent:false}, () => {
          console.log(chalk.keyword('limegreen')('Modules Installed!'));
        });
      }).catch((err: any) => {
        console.error(err);
      });
    } else {
      console.log(chalk.red('package.json already exists!\n'));
    }
  }
  createPerspective(options: { name: string, camelName: string, snakeName: string, capitalName: string, server: boolean, client: boolean}) {
    console.log('Creating Perspective', options);
    if (ExtLB.checkAvailable(process.cwd())) {
      process.stdout.write(chalk.keyword('limegreen')('Retrieving perspective template '));
      simpleGit().clone('https://gitlab.com/ExtLB/perspective-template.git', '.').then(() => {
        process.stdout.write(chalk.keyword('limegreen')(' done!\n'));
        shelljs.rm('-fr', '.git');
        let modifications: any = {};
        _.filter(shelljs.ls(`${__dirname}${path.sep}perspective${path.sep}*.ts`), (file) => {
          return !_.endsWith(file, '.d.ts');
        }).map((file) => {
          return file.substr(0, file.length - 3);
        }).forEach((changer) => {
          modifications[changer] = require(`${changer}`).default;
        });
        let modifiers: any = {};
        _.each(modifications, (files) => {
          _.each(files, (changes, file) => {
            if (_.isUndefined(modifiers[file])) {
              modifiers[file] = [];
            }
            modifiers[file].push(changes);
          });
        });
        process.stdout.write(chalk.keyword('limegreen')(`Modifying ${_.keys(modifiers).length} files `));
        let files = _.keys(modifiers);
        _.each(files, (file) => {
          let content: any = null;
          if (_.endsWith(file, '.json')) {
            content = jsonfile.readFileSync(file);
          } else {
            content = fs.readFileSync(file, {encoding: 'utf8'});
          }
          modifiers[file].forEach((modifier: (options: object, content: any) => object) => {
            content = modifier(options, content);
          });
          process.stdout.write('.');
          if (_.isNull(content)) {
            shelljs.rm(file);
          } else {
            if (_.endsWith(file, '.json')) {
              jsonfile.writeFileSync(file, content, {spaces: 2});
            } else {
              fs.writeFileSync(file, content, {encoding: 'utf8'});
            }
          }
        });
        process.stdout.write(chalk.keyword('limegreen')(' done!\n'));
        process.stdout.write(chalk.keyword('limegreen')('Relocating 7 paths '));
        shelljs.mv(`app${path.sep}desktop${path.sep}src${path.sep}model${path.sep}perspective${path.sep}template`, `app${path.sep}desktop${path.sep}src${path.sep}model${path.sep}perspective${path.sep}${options.name}`);
        process.stdout.write('.');
        shelljs.mv(`app${path.sep}desktop${path.sep}src${path.sep}view${path.sep}perspective${path.sep}template`, `app${path.sep}desktop${path.sep}src${path.sep}view${path.sep}perspective${path.sep}${options.name}`);
        process.stdout.write('.');
        shelljs.mv(`locales${path.sep}en-US${path.sep}per-template.json`, `locales${path.sep}en-US${path.sep}per-${options.name}.json`);
        process.stdout.write('.');
        shelljs.mv(`server${path.sep}models${path.sep}template-navigation.js`, `server${path.sep}models${path.sep}${options.name}-navigation.js`);
        process.stdout.write('.');
        shelljs.mv(`server${path.sep}models${path.sep}template-navigation.json`, `server${path.sep}models${path.sep}${options.name}-navigation.json`);
        process.stdout.write('.');
        shelljs.mv(`server${path.sep}models${path.sep}template-notification.ts`, `server${path.sep}models${path.sep}${options.name}-notification.ts`);
        process.stdout.write('.');
        shelljs.mv(`server${path.sep}models${path.sep}template-notification.json`, `server${path.sep}models${path.sep}${options.name}-notification.json`);
        process.stdout.write(chalk.keyword('limegreen')(' done!\n'));
        console.log(chalk.keyword('limegreen')('Installing/Building Modules (npm install)'));
        shelljs.exec('npm install', {silent:false}, () => {
          console.log(chalk.keyword('limegreen')('Modules Installed!'));
        });
      }).catch((err: any) => {
        console.error(err);
      });
    } else {
      console.log(chalk.red('package.json already exists!\n'));
    }
  }
  createModel(options: { name: string, camelName: string, snakeName: string, capitalName: string, pluralName: string, dataSource: string, baseClass: string, public: boolean, type: string}) {
    console.log('Creating Model', options);
    if (!ExtLB.checkAvailable(process.cwd())) {
      let modelDir = `${process.cwd()}${path.sep}${options.type}${path.sep}models${path.sep}`;
      if (!shelljs.test('-d', modelDir)) {
        shelljs.mkdir('-p', modelDir);
      }
      let modelConfigFile = `${modelDir}${options.snakeName}.json`;
      let modelConfig = jsonfile.readFileSync(`${__dirname}${path.sep}model${path.sep}config.json`);
      modelConfig.name = options.name;
      modelConfig.plural = options.pluralName;
      modelConfig.base = options.baseClass;
      jsonfile.writeFileSync(modelConfigFile, modelConfig, {spaces: 2});
      let modelCodeFile = `${modelDir}${options.snakeName}.ts`;
      let modelCode = fs.readFileSync(`${__dirname}${path.sep}model${path.sep}code.ejs`, {encoding: 'utf8'});
      modelCode = ejs.render(modelCode, {options: options});
      fs.writeFileSync(modelCodeFile, modelCode);
      if (shelljs.test('-e', `${process.cwd()}${path.sep}config${path.sep}server${path.sep}model-config.json`)) {
        let modelsFile = `${process.cwd()}${path.sep}config${path.sep}server${path.sep}model-config.json`;
        let modelsContent = jsonfile.readFileSync(modelsFile);
        modelsContent[options.name] = {dataSource: options.dataSource, public: options.public};
        jsonfile.writeFileSync(modelsFile, modelsContent, {spaces: 2});
      } else if (shelljs.test('-e', `${process.cwd()}${path.sep}server${path.sep}model-config.json`)) {
        let modelsFile = `${process.cwd()}${path.sep}server${path.sep}model-config.json`;
        let models = jsonfile.readFileSync(modelsFile);
        if (!_.isObject(models)) {
          models.models = {};
        }
        models.models[options.name] = {dataSource: options.dataSource, public: options.public};
        jsonfile.writeFileSync(modelsFile, models, {spaces: 2});
      } else {
        console.log(chalk.red('model-config.json missing'));
      }
    } else {
      console.log(chalk.red('package.json missing!\n'));
    }
  }
  createView(options: { name: string, camelName: string, snakeName: string, capitalName: string}) {
    console.log('Creating View', options);
  }
}
let extLoop = new ExtLB();
export default extLoop;