// captcha https://captcha.mojotv.cn/
package captcha

import (
	"image/color"

	"github.com/mojocn/base64Captcha"
)

// configJsonBody json request body.
type configJsonBody struct {
	DriverAudio   *base64Captcha.DriverAudio
	DriverString  *base64Captcha.DriverString
	DriverChinese *base64Captcha.DriverChinese
	DriverMath    *base64Captcha.DriverMath
	DriverDigit   *base64Captcha.DriverDigit
}

// digitConfig 生成图形化数字验证码配置
func digitConfig() *base64Captcha.DriverDigit {
	digitType := &base64Captcha.DriverDigit{
		Height:   50,
		Width:    100,
		Length:   4,
		MaxSkew:  0.45,
		DotCount: 50,
	}
	return digitType
}

// mathConfig 生成图形化算术验证码配置
func mathConfig() *base64Captcha.DriverMath {
	mathType := &base64Captcha.DriverMath{
		Height:          50,
		Width:           150,
		NoiseCount:      0,
		ShowLineOptions: 0,
		BgColor: &color.RGBA{
			R: 0,
			G: 0,
			B: 0,
			A: 0,
		},
		Fonts: []string{"RitaSmith.ttc"},
	}
	return mathType
}

// stringConfig 生成图形化字符串验证码配置
func stringConfig() *base64Captcha.DriverString {
	stringType := &base64Captcha.DriverString{
		Height:          100,
		Width:           50,
		NoiseCount:      0,
		ShowLineOptions: base64Captcha.OptionShowHollowLine | base64Captcha.OptionShowSlimeLine,
		Length:          5,
		Source:          "123456789qwertyuiopasdfghjklzxcvb",
		BgColor: &color.RGBA{
			R: 40,
			G: 30,
			B: 89,
			A: 29,
		},
		Fonts: nil,
	}
	return stringType
}

// chineseConfig 生成图形化汉字验证码配置
func chineseConfig() *base64Captcha.DriverChinese {
	chineseType := &base64Captcha.DriverChinese{
		Height:          50,
		Width:           100,
		NoiseCount:      0,
		ShowLineOptions: base64Captcha.OptionShowSlimeLine,
		Length:          2,
		Source:          "设想,你在,处理,消费者,的音,频输,出音,频可,能无,论什,么都,没有,任何,输出,或者,它可,能是,单声道,立体声,或是,环绕立,体声的,不想要,的值",
		BgColor: &color.RGBA{
			R: 40,
			G: 30,
			B: 89,
			A: 29,
		},
		Fonts: nil,
	}
	return chineseType
}

// audioConfig 生成图形化数字音频验证码配置
func audioConfig() *base64Captcha.DriverAudio {
	chineseType := &base64Captcha.DriverAudio{
		Length:   4,
		Language: "zh",
	}
	return chineseType
}