package client

import (
	"image/color"

	"github.com/chompy/roguelike_rpg/internal/client/gfx"
	"github.com/hajimehoshi/ebiten/v2"
	"github.com/hajimehoshi/ebiten/v2/text/v2"
)

const titleFont = "editundo.ttf"

type TitleState struct {
	ctx   *GameContext
	font  *gfx.Font
	start float32
}

func (s *TitleState) Enter() error {
	font, err := s.ctx.Gfx.FontLibrary.GetOne("title")
	if err != nil {
		return err
	}
	s.font = font
	s.start = GetTime()
	return nil
}

func (s *TitleState) Update() (GameState, error) {

	if HasInput(InputConfirm) {

		newCombatant := func(name string, team int) *Combatant {
			combatant, _ := s.ctx.NewCombatant(name, team)
			return combatant
		}
		combatants := []*Combatant{
			newCombatant("mage", 1),
			newCombatant("mage", 1),
			newCombatant("mage", 1),
			newCombatant("wolf", 2),
			newCombatant("wolf", 2),
			newCombatant("wolf", 2),
			newCombatant("wolf", 2),
			newCombatant("wolf", 2),
			newCombatant("wolf", 2),
		}

		return &CombatState{
			Combatants: combatants,
			ctx:        s.ctx,
		}, nil
	}

	return nil, nil
}

func (s *TitleState) Draw(screen *ebiten.Image) {
	op := &text.DrawOptions{}
	op.GeoM.Translate(float64(12), float64(12))
	op.ColorScale.ScaleWithColor(color.White)
	op.LineSpacing = 20.0
	op.Filter = ebiten.FilterPixelated
	s.font.DrawText(screen, "ROGUELIKE RPG\n(WORKING TITLE)", GetTime()-s.start, op)
}

func (s *TitleState) Exit() error {
	return nil
}