package game

import (
	"math/rand"
)

const (
	ColorDiamonds = iota
	ColorClubs
	ColorHearts
	ColorSpades
)

// 牌库
type CardLevelType int

const (
	CardLevelA CardLevelType = iota + 1
	CardLevelB
	CardLevelS
)

var (
	AllNormalCards = [52]int{
		0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, // 方片

		0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, // 梅花

		0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, // 红桃

		0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, // 黑桃
	}
	Jokers = []int{70, 71} // 两张joker牌
	// 包含一张王
	AllFullCards = [53]int{
		0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, // 方片

		0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, // 梅花

		0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, // 红桃

		0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, // 黑桃

		70, // 王
	}
	// 包含两张王
	AllFullGhostCards = [54]int{
		0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, // 方片

		0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, // 梅花

		0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, // 红桃

		0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, // 黑桃

		70, 71, // 王
	}
	AllTwoFullCards = [106]int{
		0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, // 方片

		0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, // 梅花

		0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, // 红桃

		0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, // 黑桃

		70, // 王

		0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, // 方片

		0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, // 梅花

		0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, // 红桃

		0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, // 黑桃

		71, // 王
	}
)

func IsValidCard(c int) bool {
	for _, v := range AllFullGhostCards {
		if v == c {
			return true
		}
	}
	return false
}

func GetRandomCard(num int) []int {
	ret := []int{}
	seq := rand.Perm(len(AllNormalCards))
	for i := 0; i < num; i++ {
		ret = append(ret, AllNormalCards[seq[i]])
	}
	return ret
}

func CompaireTwoCard(a, b int) bool {
	valA := GetCardCompaireValue(a)
	valB := GetCardCompaireValue(b)
	if valA > valB {
		return true
	}
	if valA == valB {
		colA := GetCardColor(a)
		colB := GetCardColor(b)
		return colA > colB
	}
	return false
}

func ShuffleCards(cards []int) []int {
	indexs := rand.Perm(len(cards))
	c := make([]int, len(cards))
	for i, v := range indexs {
		c[i] = cards[v]
	}
	return c
}

func GetCardValue(card int) int {
	return card & 0x0F
}

func GetCardCompaireValue(card int) int {
	v := GetCardValue(card)
	if v == 1 {
		v = 14
	}
	return v
}

func GetCardColor(card int) int {
	return card / 16
}