# frozen_string_literal: true

require 'ruby2d'
require_relative 'lib/camera/camera'
require_relative 'house'
require_relative 'room'

Window.set(icon: './assets/blobcoolthink.png',
           width: 1280,
           height: 720,
           background: 'blue')


@player = Sprite.new('./assets/sprites/mainblob-128.png',
                     x: 1920 / 1.1,
                     y: 1080 / 1.1,
                     width: 50,
                     height: 50,
                     clip_width: 128,
                     loop: true,
                     time: 1,
                     z: 99,
                     animations: {
                       walk: 0...60,
                       stand: 60...61
                     })
@shadow = Image.new(
  'assets/blobshadow.png',
  width: 52,
  height: 10,
  z: 1
)
Camera << @shadow
@player.play animation: :walk, loop: true
Camera << @player
Rectangle.new(
  width: 350,
  height: 135,
  color: 'navy',
  z: 100
)
@ui_pos_cam = Text.new(
  'pos: 0,0',
  x: 10,
  y: 10,
  color: 'teal',
  z: 101
)
@ui_pos_ply = Text.new(
  'pos: 0,0',
  x: 10,
  y: 40,
  color: 'teal',
  z: 101
)
@ui_zoom = Text.new(
  'zoom: 0',
  x: 10,
  y: 70,
  color: 'lime',
  z: 101
)
@ui_rotation = Text.new(
  'rotation: 0',
  x: 10,
  y: 100,
  color: 'lime',
  z: 101
)
Rectangle.new(
  x: (Window.width - 120),
  width: 120,
  height: 45,
  color: 'navy',
  z: 100
)
@ui_fps = Text.new(
  'fps: 60.00',
  x: (Window.width - 110),
  y: 10,
  color: 'teal',
  z: 101
)



# How fast the player can move
@speed = 5

# Initializing
player_movement_x = 0
player_movement_y = 0
@pressed_space = false
@scene_transition_into = false
@scene_transition_out = false
@indoors = false
@house = nil
@room = nil

on :key do |event|
  if event.key == 'w'
    player_movement_y -= @speed unless @scene_transition_into || @scene_transition_out
  end
  if event.key == 's'
    player_movement_y += @speed unless @scene_transition_into || @scene_transition_out
  end
  if event.key == 'd'
    player_movement_x += @speed unless @scene_transition_into || @scene_transition_out
  end
  if event.key == 'a'
    player_movement_x -= @speed unless @scene_transition_into || @scene_transition_out
  end
  if event.key == 'space'
    @pressed_space = true unless @scene_transition_into || @scene_transition_out
  end
  if event.key == 'q'
    Camera.angle += 1
  end
  if event.key == 'e'
    Camera.angle -= 1
  end
  if event.key == 'z'
    Camera.zoom *= 1.015
  end
  if event.key == 'x'
    Camera.zoom *= 0.985
  end
end
=begin
Camera << Text.new('rotate me to see how if it works',
                   x: 500,
                   y: 500,
                   z: 99)
=end
update do
  if (@player.x > 2371 && player_movement_x.positive?) || (@player.x.negative? && player_movement_x.negative?)
    player_movement_x = 0
  end
  if (@player.y > 1608 && player_movement_y.positive?) || (@player.y.negative? && player_movement_y.negative?)
    player_movement_y = 0
  end
  if !player_movement_y.zero? == !player_movement_x.zero?
    player_movement_x /= 1.4141
    player_movement_y /= 1.4141
  end
  @player.x += player_movement_x
  @player.y += player_movement_y
  if player_movement_x.negative?
    @player.play animation: :walk, loop: true
  elsif player_movement_x.positive? || !player_movement_y.zero?
    @player.play animation: :walk, loop: true, flip: :vertical
  else
    @player.play animation: :stand
  end

  if !@scene_transition_into && !@scene_transition_out
    Camera.zoom = (-[Math.sqrt(((@player.x + (@player.width / 2) - Camera.x)**2) + ((@player.y + (@player.width / 2) - Camera.y)**2)), 350].min * 0.004) + 2
    Camera.x += (@player.x + (@player.width / 2) - Camera.x) * 0.025
    Camera.y += (@player.y + (@player.height / 2)- Camera.y) * 0.025
  elsif @scene_transition_into
    if Camera.zoom < 250
      Camera.zoom *= 1.05
      Camera.angle += 5
    else
      @scene_transition_into = false
      @scene_transition_out = true
      if @room.nil?
        @house.remove
        @house = nil
        @indoors = true
      else
        @room.remove
        @room = nil
        @indoors = false
      end
      Camera.remove @background
      @background.remove
      @background = nil
    end
    Camera.x += (@player.x + (@player.width / 2) - Camera.x) * 0.25
    Camera.y += (@player.y + (@player.height / 2) - Camera.y) * 0.25
  elsif @scene_transition_out
    if !(Camera.zoom <= 2.1 && Camera.angle.zero?)
      Camera.zoom /= 1.05
      Camera.angle -= 5
    else
      @scene_transition_out = false
    end
  end

  if @house.nil? && !@indoors
    @house = House.new(750, 300)
    @background = Image.new(
      'assets/background.png',
      x: 100, y: 100,
      z: -1
    )
    Camera << @background
  elsif @room.nil? && @indoors
    @room = Room.new(750,300)
    @background = Rectangle.new(
      color: 'black',
      x: 0,
      y: 0,
      width: 1920,
      height: 1080,
      z: -1
    )
  end
  @shadow.x = @player.x - 2
  @shadow.y = @player.y + 42

  Camera.remove @house_text
  @house_text&.remove
  if @indoors
    @house_text = @room.visted_by?(@player)
  else
    @house_text = @house.visted_by?(@player)
  end
  Camera << @house_text unless @house_text.nil?
  if !@house_text.nil? && @pressed_space
    @scene_transition_into = true
  end
  @ui_pos_cam.text = "Camera Position: #{Camera.x.round(1)}, #{Camera.y.round(1)}"
  @ui_pos_ply.text = "Player Position: #{@player.x.round(1)}, #{@player.y.round(1)}"
  @ui_zoom.text = "Zoom: #{Camera.zoom.round(3)}"
  @ui_fps.text = "FPS: #{Window.fps.round(2)}"
  @ui_rotation.text = "Angle: #{Camera.angle}"
  player_movement_x = 0
  player_movement_y = 0
  @pressed_space = false

  Camera.redraw
end
show