package main

import (
	//"math/rand"
	"fmt"
	"time"
)

import "vultras.su/core/gg"

type Player struct {
	gg.AnimatedSprite
	MoveSpeed  gg.Float
	ScaleSpeed gg.Float
	Spawned bool
}

func NewPlayer() *Player {
	ret := &Player{}
	ret.Transform = gg.T()
	ret.Scale = gg.V2(1)
	ret.Around = gg.V2(.5)
	ret.MoveSpeed = 30.
	ret.ScaleSpeed = .2
	ret.Animations = playerAnimations
	ret.TimeBetweenFrames = time.Second/10
	fmt.Println("player-walk", ret.Animate(Stand))

	ret.Visible = true
	ret.Layer = PlayerL

	return ret
}

func (p *Player) Start(c *Context) {
}

func (p *Player) Update(c *Context) {
	if p.Spawned {
		return
	}
	dt := c.Dt().Seconds()
	cam := c.Camera
	keys := c.Keys()

	walking := false
	shift := c.IsPressed(gg.KeyShift)
	//p.Uniforms["Random"] = any(rand.Float32())
	for _, v := range keys {
		switch v {
		case gg.KeyQ:
			p.Scale = p.Scale.Add(gg.V(p.ScaleSpeed*dt, 0))
		case gg.KeyArrowUp:
			cam.Position.Y += p.MoveSpeed * dt
		case gg.KeyArrowLeft:
			cam.Position.X -= p.MoveSpeed * dt
		case gg.KeyArrowDown:
			cam.Position.Y -= p.MoveSpeed * dt
		case gg.KeyArrowRight:
			cam.Position.X += p.MoveSpeed * dt
		case gg.KeyW:
			p.Position.Y += p.MoveSpeed * dt
			walking = true
			p.Animate(Walk)
		case gg.KeyA:
			p.Position.X -= p.MoveSpeed * dt
			p.Scale.X = -1
			walking = true
			p.Animate(Walk)
		case gg.KeyS:
			p.Position.Y -= p.MoveSpeed * dt
			walking = true
			p.Animate(Walk)
		case gg.KeyD:
			p.Position.X += p.MoveSpeed * dt
			p.Scale.X = 1 
			walking = true
			p.Animate(Walk)
		case gg.KeyR:
			cam.Rotation += gg.Pi * p.ScaleSpeed * dt
		case gg.KeyT:
			cam.Rotation -= gg.Pi * p.ScaleSpeed * dt
		case gg.KeyRightBracket:
			if shift {
				p.Rotation -= gg.Pi * 0.3 * dt
			} else {
				p.Rotation += gg.Pi * 0.3 * dt
			}
		case gg.KeyF:
			if shift {
				cam.Scale = cam.Scale.Add(gg.V2(p.ScaleSpeed * dt))
			} else {
				cam.Scale = cam.Scale.Add(gg.V2(-p.ScaleSpeed * dt))
			}
		case gg.KeyG:
			if shift {
				cam.Scale.Y -= gg.Pi * p.ScaleSpeed * dt
			} else {
				cam.Scale.Y += gg.Pi * p.ScaleSpeed * dt
			}
		case gg.KeyLeftBracket:
			if shift {
				rect.Rotation -= gg.Pi * 0.3 * dt
			} else {
				rect.Rotation += gg.Pi * 0.3 * dt
			}
		case gg.Key0:
			c.Del(p)
		case gg.KeyB:
		case gg.Key5:
			pp := *p
			counter++
			p.Spawned = true
			c.Spawn(&pp)
		}
	}

	if !walking {
		p.Animate(Stand)
	}

	for _, event := range c.Events {
	switch ec := event.(type) {
	case *gg.KeyDown:
		switch {
		case ec.Key == gg.KeyB:
			if p.Layer != PlayerL {
				p.Layer = PlayerL
			} else {
				p.Layer = HighestL
			}
		}
	case *gg.MouseMove:
		if !c.IsButtoned(gg.MouseButtonRight) {
			break
		}
		pos := c.Camera.Position
		c.Camera.Position = pos.Sub(ec.Abs)
	case *gg.WheelChange:
		c.Camera.Scale = c.Camera.Scale.Add(gg.V2(
			ec.Offset.Y * dt * p.ScaleSpeed * 40,
		))
	}}
}