package maps

import (
	"image/color"

	"github.com/atridad/LilGuy/internal/config"
	"github.com/atridad/LilGuy/internal/portal"
	"github.com/atridad/LilGuy/internal/world"
)

type Map struct {
	ID              string
	Number          int
	Width           float64
	Height          float64
	World           *world.World
	Portals         []*portal.Portal
	BackgroundColor color.NRGBA
}

func NewMap(id string, number int, width, height float64) *Map {
	return &Map{
		ID:              id,
		Number:          number,
		Width:           width,
		Height:          height,
		World:           world.NewWorld(),
		Portals:         make([]*portal.Portal, 0),
		BackgroundColor: color.NRGBA{R: 135, G: 206, B: 235, A: 255},
	}
}

func (m *Map) AddPortal(p *portal.Portal) {
	m.Portals = append(m.Portals, p)
}

func (m *Map) GetPortalByID(id string) *portal.Portal {
	for _, p := range m.Portals {
		if p.ID == id {
			return p
		}
	}
	return nil
}

func CreateDefaultMaps(screenWidth, screenHeight float64) (*Map, *Map) {
	map1 := createMapFromConfig(config.DefaultMap1(), screenWidth, screenHeight)
	map2 := createMapFromConfig(config.DefaultMap2(), screenWidth, screenHeight)

	addPortalFromConfig(map1, config.LeftPortalMap1(), portal.SideLeft, screenWidth, screenHeight)
	addPortalFromConfig(map1, config.RightPortalMap1(), portal.SideRight, screenWidth, screenHeight)
	addPortalFromConfig(map2, config.LeftPortalMap2(), portal.SideLeft, screenWidth, screenHeight)
	addPortalFromConfig(map2, config.RightPortalMap2(), portal.SideRight, screenWidth, screenHeight)

	return map1, map2
}

func createMapFromConfig(cfg config.MapConfig, width, height float64) *Map {
	m := NewMap(cfg.ID, cfg.Number, width, height)
	m.BackgroundColor = cfg.BackgroundColor
	m.World.AddSurface(&world.Surface{
		X:      0,
		Y:      height - config.GroundHeight,
		Width:  width,
		Height: config.GroundHeight,
		Tag:    world.TagGround,
		Color:  cfg.GroundColor,
	})
	return m
}

func addPortalFromConfig(m *Map, cfg config.PortalConfig, side portal.PortalSide, screenWidth, screenHeight float64) {
	p := portal.CreateSidePortal(cfg.ID, side, screenWidth, screenHeight)
	p.DestinationMap = cfg.DestinationMap
	p.DestinationPortal = cfg.DestinationPortal
	p.Color = cfg.Color
	p.GlowColor = cfg.GlowColor
	m.AddPortal(p)
}