package lottery

import (
	"GenshinImpact/global"
	"math/rand"
)

// 5星
func RandomEpicWeapon() string {
	global.LastEpicWeapon = 0
	global.LastRareWeapon = 0
	if global.LastEpicCommonWeapon == true {
		//当期upWeapon
		return RandomEpicUpWeapon()
	}
	diceUp := rand.Intn(100)
	//up5占5星出货75%
	if diceUp <= 74 {
		//当期upWeapon
		return RandomEpicUpWeapon()
	}
	return RandomEpicCommonWeapon()
}

// UP5星Weapon
func RandomEpicUpWeapon() string {
	global.LastEpicCommonWeapon = false
	if global.WeaponTargetSwitch {
		if global.WeaponTargetCount == 2 {
			global.WeaponTargetCount = 0
			return global.WeaponTarget
		}
		global.WeaponTargetCount += 1
	}

	return RandomStr(global.UpEpicWeapon)
}

// 常驻5星Weapon
func RandomEpicCommonWeapon() string {
	global.LastEpicCommonWeapon = true
	if global.WeaponTargetSwitch && global.WeaponTargetCount < 2 {
		global.WeaponTargetCount += 1
	}
	return RandomStr(global.EpicCommonWeaponPool)
}