require "search_rails/version"

module SearchRails
  class SearchInstall

		def create_files
			require 'colorize'
			require "fileutils"
			root = Dir.pwd
			Dir.chdir(root + '/app')
			FileUtils::mkdir_p "search"
			puts "Created ".green.bold + '/app/search'.bold
			Dir.chdir(root + '/app/search')
			File.new "search_module.rb", "w"
			puts "Created ".green.bold + '/app/search/search_module.rb'.bold
			Dir.chdir(root + '/app/controllers')
			File.new "searches_controller.rb", "w"
			puts "Created ".green.bold + '/app/controllers/searches_controller.rb'.bold
			Dir.chdir(root + '/app/models')
			File.new "search.rb", "w"
			puts 'Created '.green.bold + 'app/models/search.rb'.bold
			Dir.chdir(root + '/db')
			if File.exists?('/migrate')
			else
				FileUtils::mkdir_p "migrate"
				puts "Created ".green.bold + '/db/migrate'.bold
			end
			Dir.chdir(root)
		end

		def write_search_module(object, attributes)
			root = Dir.pwd
			require 'active_support/inflector'
			Dir.chdir(root + '/app/search')
			File.open("search_module.rb", "a") do |line|
				line.puts 'module SearchModule'
				line.puts '	def search'
				attri_one = attributes[0]
				attribute = attri_one.split(':')
				line.puts "		@" + object.downcase.pluralize + " = " + object.capitalize.singularize + ".where('lower(" + attribute[0] + ") LIKE ?', '%' + @search.search.downcase + '%')"
				attributes = attributes.reject { |attri| attri == attributes[0] }
				attributes.each do |attri|
					attribute = attri.split(':')
					if attribute[1] == 'integer' || attribute[1] == 'decimal'
					line.puts "		" + object.capitalize.singularize + ".where('cast(" + attribute[0] + " AS VARCHAR) LIKE ?', '%' + @search.search + '%').each { |" + attribute[0] + "| @" + object.downcase.pluralize + ".any? { |f| f.id == " + attribute[0] + ".id } ? true : @" + object.downcase.pluralize + " << " + attribute[0] + " }"
					else
						line.puts "		" + object.capitalize.singularize + ".where('lower(" + attribute[0] + ") LIKE ?', '%' + @search.search + '%').each { |" + attribute[0] + "| @" + object.downcase.pluralize + ".any? { |f| f.id == " + attribute[0] + ".id } ? true : @" + object.downcase.pluralize + " << " + attribute[0] + " }"
					end
				end
				line.puts '	end'
				line.puts ''
				line.puts '	def clear'
				line.puts '		@search = Search.find_by_search_id(1)'
				line.puts '		@search.search = nil'
				line.puts '		@search.save'
				line.puts '		redirect_to ' + object.pluralize.downcase + '_path'
				line.puts '	end'
				line.puts ''
				line.puts '	def check_for_search'
				line.puts '		if Search.find_by_search_id(1) == nil'
				line.puts '			@search = Search.new'
				line.puts '			@search.search = nil'
				line.puts '			@search.search_id = 1'
				line.puts '			@search.save'
				line.puts '		end'
				line.puts '	end'
				line.puts ''
				line.puts '	def update'
				line.puts '		respond_to do |format|'
				line.puts '			if @search.update(search_params)'
				line.puts '				format.html { redirect_to :back }'
				line.puts '				format.json { render :show, status: :ok, location: @search }'
				line.puts '			else'
				line.puts '				format.html { render :edit }'
				line.puts '				format.json { render json: @search.errors, status: :unprocessable_entity }'
				line.puts '			end'
				line.puts '		end'
				line.puts '	end'

				line.puts 'end'
			end
			Dir.chdir(root)
		end

		def write_search_controller
			root = Dir.pwd
			Dir.chdir(root + '/app/controllers')
			File.open("searches_controller.rb", "a") do |line|
				line.puts 'class SearchesController < ApplicationController'
				line.puts '	before_action :set_search, only: [:show, :edit, :update, :destroy]'
				line.puts '	before_action :include_search_module, only: [ :clear, :edit, :update ]'
				line.puts ''
				line.puts '	def clear'
			  line.puts '		clear'
			  line.puts '	end'
			  line.puts ''
			  line.puts '	def update'
			  line.puts '		update'
			  line.puts '	end'
			  line.puts ''
			  line.puts '	private'
			  line.puts ''
			  line.puts '		def set_search'
			  line.puts '			@search = Search.find_by_search_id(1)'
			  line.puts '		end'
			  line.puts ''
			  line.puts '		def include_search_module'
			  line.puts "			$LOAD_PATH.unshift(File.dirname('../app/search'))"
			  line.puts '			extend SearchModule'
			  line.puts '		end'
			  line.puts ''
			  line.puts '		def search_params'
			  line.puts '			params.require(:search).permit(:search)'
			  line.puts '		end'
			  line.puts ''
				line.puts 'end'
			end
			Dir.chdir(root)
		end

		def write_migration
			require "fileutils"
			require 'colorize'
			root = Dir.pwd
			Dir.chdir(root + '/db/migrate')
			require 'date'
			@time = DateTime.now.strftime('%Y%m%d%H%M%S')
			File.new @time + '_create_searches.rb', "w"
			File.open(@time + "_create_searches.rb", "a") do |line|
				line.puts 'class CreateSearches < ActiveRecord::Migration'
				line.puts '	def change'
				line.puts '		create_table :searches do |t|'
				line.puts '			t.string :search'
				line.puts '			t.integer :search_id'
				line.puts '			t.timestamps null: false'
				line.puts '		end'
				line.puts '	end'
				line.puts 'end'
			end
			puts "Created ".green.bold + '/db/migrate/'.bold + @time.bold + '_create_searches.rb'.bold
			Dir.chdir(root)
		end

		def write_application_controller
			require "fileutils"
			root = Dir.pwd
			Dir.chdir(root + '/app/controllers')
			first_line = IO.readlines("application_controller.rb")[0]
			other_lines = IO.readlines("application_controller.rb")[1..1000000000]
			File.open("application_controller.rb", "w") do |line|
				line.puts first_line
				line.puts '	before_action :check_for_search'
				line.puts ''
				line.puts '	def check_for_search'
				line.puts "		$LOAD_PATH.unshift(File.dirname('../app/search'))"
				line.puts '		extend SearchModule'
				line.puts '		check_for_search'
				line.puts '	end'
				line.puts ''
				line.puts other_lines
			end
			puts "Updated ".green.bold + '/app/controllers/application_controller.rb'.bold
			Dir.chdir(root)
		end

		def write_search_model
			require "fileutils"
			root = Dir.pwd
			Dir.chdir(root + '/app/models')
			File.open("search.rb", "w") do |line|
				line.puts 'class Search < ActiveRecord::Base'
				line.puts 'end'
			end
			Dir.chdir(root)
		end

		def update_routes
			require "fileutils"
			root = Dir.pwd
			Dir.chdir(root + '/config')
			first_line = IO.readlines("routes.rb")[0]
			other_lines = IO.readlines("routes.rb")[1..1000000000]
			File.open('routes.rb', 'w') do |line|
				line.puts first_line
				line.puts 'resources :searches do'
		    line.puts '	member do'
		    line.puts "		get 'clear'"
		    line.puts '	end'
		  	line.puts 'end'
		  	line.puts other_lines
			end
			Dir.chdir(root)
		end

		def run
			require 'colorize'

			puts "Syntax: 'install OBJECT ATTRIBUTE:TYPE'".bold.on_red
			command = gets.chomp
			command = command.split(" ")
			if command[0] == 'install'
				puts ''
				puts 'Creating Files...'.bold
				object = command[1]
				attributes = command[2..10000000]
			end

			SearchInstall.new.create_files
			SearchInstall.new.write_search_controller
			SearchInstall.new.write_application_controller
			SearchInstall.new.write_search_model
			SearchInstall.new.write_migration
			SearchInstall.new.update_routes
			SearchInstall.new.write_search_module(object, attributes)
			puts 'Done'.bold
			puts ''
			rescue
				puts ''
				puts 'Something Has Gone Wrong'.bold.red
				puts 'Make Sure You Used The Correct Syntax'.bold.red
				puts ''

		end

	end
end