package main

import (
	"github.com/veandco/go-sdl2/sdl"
	"image/color"
)

type KeyMap struct {
	exit  int
	shoot int
	super int
	up    int
	down  int
	left  int
	right int
}

var keyMaps = []KeyMap{
	{
		exit:  sdl.SCANCODE_ESCAPE,
		shoot: sdl.SCANCODE_SPACE,
		super: sdl.SCANCODE_LCTRL,
		up:    sdl.SCANCODE_W,
		down:  sdl.SCANCODE_S,
		left:  sdl.SCANCODE_A,
		right: sdl.SCANCODE_D,
	},
	{
		exit:  sdl.SCANCODE_END,
		shoot: sdl.SCANCODE_RETURN,
		super: sdl.SCANCODE_RCTRL,
		up:    sdl.SCANCODE_UP,
		down:  sdl.SCANCODE_DOWN,
		left:  sdl.SCANCODE_LEFT,
		right: sdl.SCANCODE_RIGHT,
	},
}

type JoyMap struct {
	xAxis int
	yAxis int

	exitButton  int
	shootButton int
	superButton int

	upButton    int
	downButton  int
	leftButton  int
	rightButton int
}

var joyMaps = []JoyMap{
	{
		xAxis: 0,
		yAxis: 1,

		exitButton:  0,
		shootButton: 1,
		superButton: 2,

		upButton:    3,
		downButton:  4,
		leftButton:  5,
		rightButton: 6,
	},
}

type PlayerColors struct {
	tracks color.Color
	body   color.Color
	cannon color.Color
}

func getNeededPlayers() (neededPlayers uint8) {
	neededPlayers = 0
	if config.DoAllKeymapsPlayers {
		neededPlayers += uint8(len(keyMaps))
	} else if config.DoKeymapPlayer && len(keyMaps) > 0 {
		neededPlayers++
	}
	if config.DoJoyStickPlayers {
		neededPlayers += uint8(sdl.NumJoysticks())
	}
	if neededPlayers < 2 && !config.Server {
		neededPlayers = 2
	}
	return neededPlayers
}

var playerColors []PlayerColors

func initPlayerColors() {
	playerColors = []PlayerColors{
		{
			tracks: color.RGBA{B: 182, A: 255},
			body:   color.RGBA{R: 44, G: 44, B: 255, A: 255},
			cannon: color.RGBA{R: 243, G: 235, B: 28, A: 255},
		},
		{
			tracks: color.RGBA{R: 44, G: 184, B: 44, A: 255},
			body:   color.RGBA{G: 249, A: 255},
			cannon: color.RGBA{R: 243, G: 235, B: 28, A: 255},
		},
		// Set 3
		{
			tracks: color.RGBA{R: 255, A: 255},         // Bright Red
			body:   color.RGBA{G: 255, B: 255, A: 255}, // Cyan
			cannon: color.RGBA{R: 255, G: 165, A: 255}, // Orange
		},
		// Set 4
		{
			tracks: color.RGBA{R: 75, B: 130, A: 255},         // Indigo
			body:   color.RGBA{R: 255, G: 20, B: 147, A: 255}, // Deep Pink
			cannon: color.RGBA{G: 128, B: 128, A: 255},        // Teal
		},
		// Set 5
		{
			tracks: color.RGBA{R: 255, G: 105, B: 180, A: 255}, // Hot Pink
			body:   color.RGBA{R: 34, G: 139, B: 34, A: 255},   // Forest Green
			cannon: color.RGBA{A: 255},                         // Black
		},
		// Set 6
		{
			tracks: color.RGBA{R: 128, A: 255},         // Maroon
			body:   color.RGBA{R: 255, G: 255, A: 255}, // Yellow
			cannon: color.RGBA{B: 128, A: 255},         // Navy Blue
		},
		// Set 7
		{
			tracks: color.RGBA{R: 255, G: 69, A: 255},        // Red-Orange
			body:   color.RGBA{G: 206, B: 209, A: 255},       // Dark Turquoise
			cannon: color.RGBA{R: 50, G: 205, B: 50, A: 255}, // Lime Green
		},
		// Set 8
		{
			tracks: color.RGBA{R: 128, G: 128, A: 255},         // Olive
			body:   color.RGBA{R: 255, G: 105, B: 180, A: 255}, // Hot Pink
			cannon: color.RGBA{G: 191, B: 255, A: 255},         // Deep Sky Blue
		},
		// Set 9
		{
			tracks: color.RGBA{R: 255, G: 20, B: 20, A: 255},  // Bright Red
			body:   color.RGBA{G: 255, B: 127, A: 255},        // Spring Green
			cannon: color.RGBA{R: 186, G: 85, B: 211, A: 255}, // Medium Orchid
		},
		// Set 10
		{
			tracks: color.RGBA{R: 255, G: 215, A: 255},         // Gold
			body:   color.RGBA{B: 139, A: 255},                 // Dark Blue
			cannon: color.RGBA{R: 238, G: 130, B: 238, A: 255}, // Violet
		},
		// Set 11
		{
			tracks: color.RGBA{R: 210, G: 105, B: 30, A: 255},  // Chocolate
			body:   color.RGBA{R: 72, G: 61, B: 139, A: 255},   // Dark Slate Blue
			cannon: color.RGBA{R: 152, G: 251, B: 152, A: 255}, // Pale Green
		},
		// Set 12
		{
			tracks: color.RGBA{R: 220, G: 20, B: 60, A: 255},   // Crimson
			body:   color.RGBA{R: 255, G: 250, B: 205, A: 255}, // Lemon Chiffon
			cannon: color.RGBA{G: 128, A: 255},                 // Green
		},
		// Set 13
		{
			tracks: color.RGBA{R: 139, B: 139, A: 255},         // Dark Magenta
			body:   color.RGBA{R: 144, G: 238, B: 144, A: 255}, // Light Green
			cannon: color.RGBA{R: 255, G: 69, A: 255},          // Orange Red
		},
		// Set 14
		{
			tracks: color.RGBA{B: 255, A: 255},                 // Blue
			body:   color.RGBA{R: 240, G: 128, B: 128, A: 255}, // Light Coral
			cannon: color.RGBA{R: 218, G: 165, B: 32, A: 255},  // Goldenrod
		},
		// Set 15
		{
			tracks: color.RGBA{R: 65, G: 105, B: 225, A: 255},  // Royal Blue
			body:   color.RGBA{R: 255, G: 222, B: 173, A: 255}, // Navajo White
			cannon: color.RGBA{R: 255, B: 255, A: 255},         // Magenta
		},
		// Set 16
		{
			tracks: color.RGBA{R: 147, G: 112, B: 219, A: 255}, // Medium Purple
			body:   color.RGBA{G: 255, B: 127, A: 255},         // Spring Green
			cannon: color.RGBA{R: 255, G: 255, A: 255},         // Yellow
		},
		// Set 17
		{
			tracks: color.RGBA{R: 255, G: 140, A: 255},       // Dark Orange
			body:   color.RGBA{R: 127, G: 255, A: 255},       // Chartreuse
			cannon: color.RGBA{R: 25, G: 25, B: 112, A: 255}, // Midnight Blue
		},
		// Set 18
		{
			tracks: color.RGBA{R: 240, G: 230, B: 140, A: 255}, // Khaki
			body:   color.RGBA{R: 173, G: 216, B: 230, A: 255}, // Light Blue
			cannon: color.RGBA{R: 128, B: 128, A: 255},         // Purple
		},
		// Set 19
		{
			tracks: color.RGBA{R: 70, G: 130, B: 180, A: 255}, // Steel Blue
			body:   color.RGBA{R: 255, G: 99, B: 71, A: 255},  // Tomato
			cannon: color.RGBA{R: 154, G: 205, B: 50, A: 255}, // Yellow Green
		},
		// Set 20
		{
			tracks: color.RGBA{R: 106, G: 90, B: 205, A: 255},  // Slate Blue
			body:   color.RGBA{R: 255, G: 182, B: 193, A: 255}, // Light Pink
			cannon: color.RGBA{R: 46, G: 139, B: 87, A: 255},   // Sea Green
		},
		// Set 21
		{
			tracks: color.RGBA{R: 199, G: 21, B: 133, A: 255},  // Medium Violet Red
			body:   color.RGBA{G: 255, B: 255, A: 255},         // Aqua
			cannon: color.RGBA{R: 255, G: 160, B: 122, A: 255}, // Light Salmon
		},
		// Set 22
		{
			tracks: color.RGBA{B: 139, A: 255},                // Dark Blue
			body:   color.RGBA{R: 173, G: 255, B: 47, A: 255}, // Green Yellow
			cannon: color.RGBA{R: 255, G: 228, B: 181, A: 255},
		},
		// Set 23
		{
			tracks: color.RGBA{R: 205, G: 92, B: 92, A: 255},   // Indian Red
			body:   color.RGBA{G: 191, B: 255, A: 255},         // Deep Sky Blue
			cannon: color.RGBA{R: 255, G: 255, B: 224, A: 255}, // Light Yellow
		},
		// Set 24
		{
			tracks: color.RGBA{R: 139, G: 69, B: 19, A: 255},  // Saddle Brown
			body:   color.RGBA{R: 255, G: 99, B: 71, A: 255},  // Tomato
			cannon: color.RGBA{R: 70, G: 130, B: 180, A: 255}, // Steel Blue
		},
		// Set 25
		{
			tracks: color.RGBA{R: 135, G: 206, B: 250, A: 255}, // Light Sky Blue
			body:   color.RGBA{R: 255, G: 105, B: 180, A: 255}, // Hot Pink
			cannon: color.RGBA{R: 184, G: 134, B: 11, A: 255},  // Dark Goldenrod
		},
		// Set 26
		{
			tracks: color.RGBA{G: 255, A: 255},                 // Lime
			body:   color.RGBA{R: 255, G: 228, B: 225, A: 255}, // Misty Rose
			cannon: color.RGBA{R: 128, A: 255},                 // Maroon
		},
		// Set 27
		{
			tracks: color.RGBA{R: 255, B: 255, A: 255},         // Magenta
			body:   color.RGBA{G: 100, A: 255},                 // Dark Green
			cannon: color.RGBA{R: 255, G: 222, B: 173, A: 255}, // Navajo White
		},
		// Set 28
		{
			tracks: color.RGBA{R: 138, G: 43, B: 226, A: 255},  // Blue Violet
			body:   color.RGBA{R: 255, G: 228, B: 181, A: 255}, // Moccasin
			cannon: color.RGBA{R: 47, G: 79, B: 79, A: 255},    // Dark Slate Gray
		},
		// Set 29
		{
			tracks: color.RGBA{R: 255, G: 182, B: 193, A: 255}, // Light Pink
			body:   color.RGBA{G: 128, B: 128, A: 255},         // Teal
			cannon: color.RGBA{R: 255, G: 255, B: 240, A: 255}, // Ivory
		},
		// Set 30
		{
			tracks: color.RGBA{R: 255, G: 127, B: 80, A: 255}, // Coral
			body:   color.RGBA{R: 25, G: 25, B: 112, A: 255},  // Midnight Blue
			cannon: color.RGBA{R: 173, G: 255, B: 47, A: 255}, // Green Yellow
		},
		// Set 31
		{
			tracks: color.RGBA{R: 218, G: 112, B: 214, A: 255}, // Orchid
			body:   color.RGBA{R: 244, G: 164, B: 96, A: 255},  // Sandy Brown
			cannon: color.RGBA{R: 255, G: 239, B: 213, A: 255}, // Papaya Whip
		},
		// Set 32
		{
			tracks: color.RGBA{G: 250, B: 154, A: 255},        // Medium Spring Green
			body:   color.RGBA{R: 138, G: 43, B: 226, A: 255}, // Blue Violet
			cannon: color.RGBA{R: 255, G: 69, A: 255},         // Orange Red
		},
	}
}

func handleInput(keyboard []uint8, bullets map[uint32]*Bullet, player *Player, gameMap *GameMap, players map[uint32]*Player) bool {
	if !player.local || player.shields <= 0 || player.shields > serverConfig.MaxShields {
		return true
	}
	shoot := false
	super := false

	// Flags to track movement in each direction
	moveUp := false
	moveDown := false
	moveLeft := false
	moveRight := false

	if player.keyMap.exit != player.keyMap.shoot {
		// Process keyboard input
		for key, value := range keyboard {
			if value == 0 {
				continue
			}

			if key == player.keyMap.exit {
				return false
			} else if key == player.keyMap.shoot {
				shoot = true
			} else if key == player.keyMap.super {
				super = true
			} else if key == player.keyMap.up {
				moveUp = true
			} else if key == player.keyMap.down {
				moveDown = true
			} else if key == player.keyMap.left {
				moveLeft = true
			} else if key == player.keyMap.right {
				moveRight = true
			}
		}
	} else if player.joyStick != nil {
		if player.joyStick.NumAxes() > player.joyMap.xAxis+1 &&
			player.joyStick.NumAxes() > player.joyMap.yAxis+1 &&
			player.joyMap.exitButton != player.joyMap.shootButton {

			xAxis := player.joyStick.Axis(player.joyMap.xAxis)
			yAxis := player.joyStick.Axis(player.joyMap.yAxis)

			moveRight = xAxis > config.JoyStickDeadZone
			moveLeft = xAxis < -config.JoyStickDeadZone
			moveUp = yAxis > config.JoyStickDeadZone
			moveDown = yAxis < -config.JoyStickDeadZone

		} else {
			moveUp = player.joyStick.Button(player.joyMap.upButton) == sdl.PRESSED
			moveDown = player.joyStick.Button(player.joyMap.downButton) == sdl.PRESSED
			moveLeft = player.joyStick.Button(player.joyMap.leftButton) == sdl.PRESSED
			moveRight = player.joyStick.Button(player.joyMap.rightButton) == sdl.PRESSED
		}
		if player.joyStick.Button(player.joyMap.exitButton) == sdl.PRESSED {
			return false
		}
		if player.joyStick.Button(player.joyMap.shootButton) == sdl.PRESSED {
			shoot = true
		}
		if player.joyStick.Button(player.joyMap.superButton) == sdl.PRESSED {
			super = true
		}

	}

	// Handle shooting after the loop
	if shoot {
		player.shoot(super, bullets)
	}

	// Determine player orientation for diagonal movement
	if moveUp && moveRight {
		player.gameObject.orientation = 4 // Up-Right
	} else if moveUp && moveLeft {
		player.gameObject.orientation = 5 // Up-Left
	} else if moveDown && moveRight {
		player.gameObject.orientation = 6 // Down-Right
	} else if moveDown && moveLeft {
		player.gameObject.orientation = 7 // Down-Left
	} else if moveUp {
		player.gameObject.orientation = 0 // Up
	} else if moveRight {
		player.gameObject.orientation = 1 // Right
	} else if moveDown {
		player.gameObject.orientation = 2 // Down
	} else if moveLeft {
		player.gameObject.orientation = 3 // Left
	}

	// Handle movement after the loop
	if moveUp || moveDown || moveLeft || moveRight {
		if player.tryMove(gameMap, shoot, players) {
			player.energy -= serverConfig.MovementCost
		}
	}

	return true
}