'use strict';
var _ = require('lodash-node');

module.exports = function(grunt) {
  require('load-grunt-tasks')(grunt);
  require('time-grunt')(grunt);

  var tmp = '.tmp/';
  var preBuiltDest = tmp + 'build-prep';
  var builtDest = tmp + 'built';
  var templatesFile = preBuiltDest + '/formly-templates.js';
  var targetFilename = 'angular-formly-templates-bootstrap';
  var concatFile = builtDest + '/' + targetFilename + '.js';
  var uglifyFile = builtDest + '/' + targetFilename + '.min.js';

  var config = {
    pkg: grunt.file.readJSON('package.json'),
    formlyConfig: {
      base: 'src',
      dist: 'dist'
    },
    clean: {
      tmp: '.tmp/**/*',
      dist: 'dist/**/*'
    },
    jshint: {
      src: ['src/**/*.js']
    },
    mocha: {
      all: {
        src: ['tests/testrunner.html']
      },
      options: {
        run: true
      }
    },
    watch: {
      build: {
        files: ['<%= formlyConfig.base %>/**/*.{js,html}'],
        tasks: ['build']
      }
    },

    copy: {
      build: {
        files: [
          {
            expand: true,
            cwd: '<%= formlyConfig.base %>/',
            src: ['**/*.*', '!**/*Spec.js'],
            dest: preBuiltDest
          }
        ]
      },
      dist: {
        expand: true,
        cwd: '.tmp/',
        src: '**/built/**/*.*',
        dest: 'dist/',
        flatten: true,
        filter: 'isFile'
      }
    },
    ngtemplates: {
      default: {
        options: {
          module: 'formlyBootstrap',
          append: true,
          htmlmin: {
            collapseBooleanAttributes: true,
            collapseWhitespace: true,
            removeAttributeQuotes: true,
            removeComments: true,
            removeEmptyAttributes: true,
            removeRedundantAttributes: false,
            removeScriptTypeAttributes: true,
            removeStyleLinkTypeAttributes: true
          }
        },
        files: [
          {
            cwd: preBuiltDest + '/',
            src: ['fields/**/*.html', 'wrappers/**/*.html', 'other/**/*.html'],
            dest: templatesFile
          }
        ]
      }
    },
    concat: {
      default: {
        src: [
          preBuiltDest + '/modules/*.js',
          preBuiltDest + '/**/*.js'
        ],
        dest: concatFile
      }
    },
    ngAnnotate: {
      default: {
        src: concatFile,
        dest: concatFile
      }
    },
    uglify: {
      default: {
        src: concatFile,
        dest: uglifyFile,
        options: {
          mangle: true,
          sourceMap: true
        }
      }
    },
    umd: {
      all: {
        options: {
          src: concatFile,
          template: __dirname + '/umd.hbs',
          objectToExport: '"formlyBootstrap"',
          version: '<%= pkg.version %>',
          contributors: '<%= pkg.contributors.join(\', \') %>'
        }
      }
    }
  };

  // Pass config to grunt
  grunt.initConfig(config);

  grunt.registerTask('dev', [
    'build',
    'connect:dev',
    'watch'
  ]);

  grunt.registerTask('build', [
    'jshint',
    //'mocha',
    'clean:tmp',
    'copy:build',
    'ngtemplates',
    'concat',
    'ngAnnotate',
    'umd:all',
    'uglify',
    'clean:dist',
    'copy:dist'
  ]);

  grunt.registerTask('default', ['build']);
};