package account

import (
	"log/slog"
	"strings"

	"github.com/egoist/mygo/ui"

	"git.zacharyzhang.com/ZacharyZhang-NY/8bitMyGoUI/pixel"
)

// Look is a character's parts and colors, each an index.
type Look struct {
	Hair, Eyes, Outfit, HairColor, OutfitColor int
}

// hues color hair and outfits, as "hues" names them.
var hues = []pixel.Slot{pixel.Ink, pixel.Warn, pixel.Bad, pixel.Magic, pixel.Info}

var (
	head = pixel.MustSprite(`
		................
		................
		................
		.....eeeeee.....
		....elllllle....
		....elllllle....
		....elllllle....
		....elllllle....
		.....elllle.....
		......eeee......
		................
		................
		................
		................
		................
		................
	`)
	// hair is SPIKY, BOB, BALD; # takes the hair color.
	hair = []*pixel.Sprite{pixel.MustSprite(`
		....#..#..#.....
		....##.##.##....
		....########....
		...##########...
		...##......##...
		...#........#...
	`), pixel.MustSprite(`
		................
		................
		.....######.....
		....########....
		...##########...
		...##......##...
		...##......##...
		...##......##...
		...##......##...
	`), pixel.MustSprite(`
		................
	`)}
	// eyes are DOTS, WIDE, SLEEPY, from the face's fifth column.
	eyes = []*pixel.Sprite{pixel.MustSprite(`
		.......
		.......
		.......
		.......
		.......
		.......
		..k..k.
	`), pixel.MustSprite(`
		.......
		.......
		.......
		.......
		.......
		..k..k.
		..k..k.
	`), pixel.MustSprite(`
		.......
		.......
		.......
		.......
		.......
		.......
		.kk..kk
	`)}
	// outfits are TUNIC, ROBE, ARMOR; # takes the outfit color.
	outfits = []*pixel.Sprite{pixel.MustSprite(`
		.....e####e.....
		....e######e....
		...e########e...
		...l########l...
		....########....
		....##....##....
	`), pixel.MustSprite(`
		.....e####e.....
		....e######e....
		...e########e...
		...l########l...
		...##########...
		..############..
	`), pixel.MustSprite(`
		.....e####e.....
		....e#ssss#e....
		...e#ssssss#e...
		...l#ssssss#l...
		....#ssssss#....
		....##....##....
	`)}
)

type CharacterCreatorOptions struct {
	Disabled bool
}

type CharacterCreatorResult struct {
	Element *ui.Element
	Changed bool
}

// CharacterCreator cycles hair, eyes, outfit and colors; a live avatar.
func CharacterCreator(c *ui.Context, text string, look *Look, o CharacterCreatorOptions) CharacterCreatorResult {
	k := pixel.K(c)
	styles, looks, wears, hueNames := words(k, "styles"), words(k, "looks"), words(k, "outfits"), words(k, "hues")
	var res CharacterCreatorResult
	res.Element = ui.Row(c).Gap(k.D(8)).AlignItems(ui.Center).Role(ui.RoleGroup).Label(text).Children(func() {
		shown := *look
		say := strings.Join([]string{styles[look.Hair], looks[look.Eyes], wears[look.Outfit], hueNames[look.HairColor], hueNames[look.OutfitColor]}, ", ")
		ui.Box(c).Size(k.D(56), k.D(56)).Role(ui.RoleImage).Label(say).Draw(func(p *ui.Painter, r ui.Rect) {
			g := k.Canvas(p, r)
			g.Frame(0, 0, 56, 56, pixel.Sunken, pixel.Well)
			g.Sprite(4, 4, head, 0, pixel.Ink, 3)
			g.Sprite(4+3*4, 4, eyes[shown.Eyes], 0, pixel.Ink, 3)
			g.Sprite(4, 4, hair[shown.Hair], 0, hues[shown.HairColor], 3)
			g.Sprite(4, 4+3*10, outfits[shown.Outfit], 0, hues[shown.OutfitColor], 3)
		})
		ui.Column(c).Gap(k.D(2)).Children(func() {
			for _, row := range []struct {
				key   string
				names []string
				at    *int
			}{
				{"hair", styles, &look.Hair}, {"eyes", looks, &look.Eyes}, {"outfit", wears, &look.Outfit},
				{"hair_color", hueNames, &look.HairColor}, {"outfit_color", hueNames, &look.OutfitColor},
			} {
				ui.Row(c).Gap(k.D(4)).AlignItems(ui.Center).Children(func() {
					mark(c, k, k.Msg(row.key), pixel.Faint, 64)
					if OptionCycler(c, k.Msg(row.key), row.names, row.at, OptionCyclerOptions{Width: 48, Disabled: o.Disabled}).Changed {
						res.Changed = true
					}
				})
			}
		})
	})
	if res.Changed {
		slog.Debug("8bit: character creator", "label", text, "look", *look)
	}
	return res
}