package main

import (
	"fmt"
	"github.com/benschw/go-todo/client"
	"github.com/codegangsta/cli"
	"log"
	"os"
	"strconv"
)

func main() {

	app := cli.NewApp()
	app.Name = "todo cli"
	app.Usage = "cli to work with the `todo` microservice"
	app.Version = "0.0.1"

	app.Flags = []cli.Flag{
		cli.StringFlag{Name: "host", Value: "http://localhost:8080", Usage: "Todo service host", EnvVar: "APP_HOST"},
	}

	app.Commands = []cli.Command{
		{
			Name:  "add",
			Usage: "(title description) create a todo",
			Action: func(c *cli.Context) {
				title := c.Args().Get(0)
				desc := c.Args().Get(1)

				host := c.GlobalString("host")

				client := client.TodoClient{Host: host}

				todo, err := client.CreateTodo(title, desc)
				if err != nil {
					log.Fatal(err)
					return
				}
				fmt.Printf("%+v\n", todo)
			},
		},
		{
			Name:  "ls",
			Usage: "list all todos",
			Action: func(c *cli.Context) {

				host := c.GlobalString("host")

				client := client.TodoClient{Host: host}

				todos, err := client.GetAllTodos()
				if err != nil {
					log.Fatal(err)
					return
				}
				for _, todo := range todos {
					fmt.Printf("%+v\n", todo)
				}
			},
		},
		{
			Name:  "doing",
			Usage: "(id) update a todo status to 'doing'",
			Action: func(c *cli.Context) {
				idStr := c.Args().Get(0)
				id, err := strconv.Atoi(idStr)
				if err != nil {
					log.Print(err)
					return
				}

				host := c.GlobalString("host")

				client := client.TodoClient{Host: host}

				todo, err := client.UpdateTodoStatus(int32(id), "doing")
				if err != nil {
					log.Fatal(err)
					return
				}
				fmt.Printf("%+v\n", todo)
			},
		},
		{
			Name:  "done",
			Usage: "(id) update a todo status to 'done'",
			Action: func(c *cli.Context) {
				idStr := c.Args().Get(0)
				id, err := strconv.Atoi(idStr)
				if err != nil {
					log.Print(err)
					return
				}

				host := c.GlobalString("host")

				client := client.TodoClient{Host: host}

				todo, err := client.UpdateTodoStatus(int32(id), "done")
				if err != nil {
					log.Fatal(err)
					return
				}
				fmt.Printf("%+v\n", todo)
			},
		},
		{
			Name:  "save",
			Usage: "(id title description) update a todo title and description",
			Action: func(c *cli.Context) {
				idStr := c.Args().Get(0)
				id, err := strconv.Atoi(idStr)
				if err != nil {
					log.Print(err)
					return
				}
				title := c.Args().Get(1)
				desc := c.Args().Get(2)

				host := c.GlobalString("host")

				client := client.TodoClient{Host: host}

				todo, err := client.GetTodo(int32(id))
				if err != nil {
					log.Fatal(err)
					return
				}

				todo.Title = title
				todo.Description = desc

				todo2, err := client.UpdateTodo(todo)
				if err != nil {
					log.Fatal(err)
					return
				}

				fmt.Printf("%+v\n", todo2)
			},
		},
	}
	app.Run(os.Args)

}
