//   SMITH            (  //       /
//   main              ( )/       /
//   by salade         )(/        /
//  ________________  ( /)        /
// ()__)____________)))))   :^}   /

package main

import (
	"encoding/json"
	"fmt"
	"io/ioutil"
	"log"
	"os"
	"time"

	"github.com/gizak/termui/v3/widgets"
	ui "github.com/gizak/termui/v3"
)

// #include "../csrc/smith.h"
// #cgo LDFLAGS: -lsmith -L../
import "C"

type Config struct {
    Public_key string
	Secret_key string
	Mirror string
}

func main() {
	fmt.Println("Welcome, traveller, my name is " + Styles.colorGreen + C.GoString(C.mr_smith()) + Styles.colorReset +
	"\nI will try to help you get the bag...")

	// get user config from json file
	config_path := "./config.json"
	for i, a := range os.Args[1:] {
		if a == "-c" || a == "--config" {
			config_path = os.Args[i + 2]
		}
	}
	config_content, err := ioutil.ReadFile(config_path)
	if err != nil {
		log.Fatal("error: config file not found", err)
	}
	var config Config
	err = json.Unmarshal(config_content, &config)
	if err != nil {
		log.Fatal("error: marshall() ", err)
	}

	// make request body and sign it
	body := make_body("qwe", "qwe", "qwe")
	signature := sign_request(body, "hello")
	ui_loop(config, body, signature)
	defer ui.Close()
}

// draw stuff
func ui_loop(config Config, body string, signature string) error {
	if err := ui.Init(); err != nil {
		log.Fatal("error: failed to initialize termui", err)
	}

	// set widgets
	p1 := widgets.NewParagraph()
	p2 := widgets.NewParagraph()
	p3 := widgets.NewParagraph()
	p4 := widgets.NewParagraph()
	p5 := widgets.NewParagraph()

	p1.Text = config.Mirror
	p2.Text = "1000.0 BTC"
	p3.Text = body
	p4.Text = signature
	p5.Text = C.GoString(C.mr_smith())
	p5.TextStyle.Fg = ui.ColorGreen

	p1.Border = true
	p2.Border = true
	p3.Border = true
	p4.Border = true

	p1.Title = "Mirror"
	p2.Title = "Balance"
	p3.Title = "public"
	p4.Title = "Key"
	p5.Title = "hello"

	main_grid := ui.NewGrid()
	termWidth, termHeight := ui.TerminalDimensions()
	main_grid.SetRect(0, 0, termWidth, termHeight)
	main_grid.Border = true

	// add items to grid
	main_grid.Set(
		ui.NewRow(0.1, p5),
		ui.NewRow(1.0/8, p2),
		ui.NewRow(1.0/2, p1),
		ui.NewRow(1.0/2,
			ui.NewCol(1.0/2, p3),
			ui.NewCol(1.0/2, p4),
		),
	)

	// ui update loop
	ui.Render(main_grid)
	ui_events := ui.PollEvents()
	ticker := time.NewTicker(time.Second).C
	ticker_count := 0
	for {
		select {
		case e := <-ui_events:
			switch e.ID {
				case "q", "<C-c>":
					return nil
				case "<Resize>":
					payload := e.Payload.(ui.Resize)
					main_grid.SetRect(0, 0, payload.Width, payload.Height)
					ui.Clear()
					ui.Render(main_grid)
			}
		case <-ticker:
			ui.Render(main_grid)
			ticker_count++
		}
	}
}