package app

import (
	"fmt"
	"os/user"
	"strconv"

	"git.sr.ht/~rockorager/vaxis"
	"git.tilde.town/nbsp/neofeels/ttbp"
	"git.tilde.town/nbsp/neofeels/ui"
)

type Publishing struct {
	title string
	list  ui.List
	help  string
	posts []ttbp.Post
}

func NewPublishing() *Publishing {
	user, _ := user.Current()
	posts := ttbp.GetPostsForUser(user.Username)
	list := []string{}
	for _, post := range posts {
		list = append(list, formatPublishing(post))
	}

	return &Publishing{
		title,
		ui.NewList(list),
		"↑↓/kj move  ↵ enter  q return",
		posts,
	}
}

func formatPublishing(post ttbp.Post) string {
	nopub := ""
	if post.Nopub {
		nopub = "(nopub)"
	}
	return fmt.Sprintf(
		"%s %s",
		post.Date.Format("2006-01-02"),
		nopub,
	)
}

func (publishing *Publishing) Event(state *ui.State, event vaxis.Event) (processed bool) {
	if key, ok := event.(vaxis.Key); ok && key.EventType == vaxis.EventPress {
		switch key.String() {
		case "Ctrl+c", "Ctrl+d":
			close(ui.Quit)
		case "Down", "j", "Ctrl+n":
			publishing.list.Down()
		case "Up", "k", "Ctrl+p":
			publishing.list.Up()
		case "End", "Shift+g":
			publishing.list.End()
		case "Home", "g":
			publishing.list.Home()
		case "0", "1", "2", "3", "4", "5", "6", "7", "8", "9":
			i, _ := strconv.Atoi(key.String())
			publishing.list.SetIndex(i)
		case "q", "h", "Left":
			ttbp.Publish()
			ui.ViewChange <- NewManagement()
		case "Enter", "l", "Right":
			if len(publishing.list.Items()) > 0 {
				publishing.posts[publishing.list.Index()].Nopub = !publishing.posts[publishing.list.Index()].Nopub
				ttbp.ToggleNopub(publishing.posts[publishing.list.Index()].Date)
				publishing.list.SetItem(publishing.list.Index(), formatPublishing(publishing.posts[publishing.list.Index()]))
			}
		}
		processed = true
	}
	publishing.Draw(state)
	return
}

func (publishing *Publishing) Draw(state *ui.State) {
	win := state.Window()
	win.New(win.Width/2-10, win.Height/2-8, 20, 5).Print(vaxis.Segment{Text: publishing.title})
	publishing.list.Draw(vaxis.Window{
		Vx:     win.Vx,
		Parent: nil,
		Column: win.Width/2 - 14,
		Row:    win.Height/2 - 2,
		Width:  28,
		Height: 10,
	})
	win.New(win.Width/2-15, win.Height/2+9, 30, 1).Print(vaxis.Segment{Text: publishing.help})
}