package bilibili

import (
	"fmt"

	"github.com/ssdomei232/goodBaby/internal/meta"
)

// BilibiliDynamicRuleValidator B站动态规则验证器
type BilibiliDynamicRuleValidator struct{}

func (v *BilibiliDynamicRuleValidator) GetType() string {
	return RuleTypeDynamic
}

func (v *BilibiliDynamicRuleValidator) Validate(configJSON string) error {
	config, err := ParseDynamicConfig(configJSON)
	if err != nil {
		return err
	}

	if config.Msg == "" {
		return fmt.Errorf("B站动态规则配置中 msg 不能为空")
	}

	if len([]rune(config.Msg)) > 1000 {
		return fmt.Errorf("B站动态内容过长")
	}

	return nil
}

// BilibiliPrivateMessageRuleValidator B站私信规则验证器
type BilibiliPrivateMessageRuleValidator struct{}

func (v *BilibiliPrivateMessageRuleValidator) GetType() string {
	return RuleTypePrivateMessage
}

func (v *BilibiliPrivateMessageRuleValidator) Validate(configJSON string) error {
	config, err := ParsePrivateMessageConfig(configJSON)
	if err != nil {
		return err
	}

	if config.Msg == "" {
		return fmt.Errorf("B站私信规则配置中 msg 不能为空")
	}

	if len(config.ReceiverUids) == 0 {
		return fmt.Errorf("B站私信规则配置中 receiver_uids 不能为空")
	}

	for _, uid := range config.ReceiverUids {
		if uid <= 0 {
			return fmt.Errorf("B站私信规则配置中存在非法的 UID: %d", uid)
		}
	}

	return nil
}

func (v *BilibiliPrivateMessageRuleValidator) Meta() meta.RuleMeta {
	return meta.RuleMeta{
		Type:        RuleTypePrivateMessage,
		Label:       "发送 B 站私信",
		Description: "触发时以关联的 B 站账号向指定用户发送私信。对方需要能接收你的私信。",
		Docs:        "docs/bilibili-config.md",
		AccountType: AccountType,
		Fields: []meta.Field{
			{
				Key:         "receiver_uids",
				Label:       "接收者 UID",
				Type:        meta.FieldNumberList,
				Required:    true,
				Placeholder: "2",
				Help:        "对方空间地址 space.bilibili.com/ 后面的那串数字",
			},
			{Key: "msg", Label: "私信内容", Type: meta.FieldTextarea, Required: true, GatewayMessage: true},
		},
	}
}

func (v *BilibiliDynamicRuleValidator) Meta() meta.RuleMeta {
	return meta.RuleMeta{
		Type:        RuleTypeDynamic,
		Label:       "发送 B 站动态",
		Description: "触发时以关联的 B 站账号发送一条动态。",
		Docs:        "docs/bilibili-config.md",
		AccountType: AccountType,
		Fields: []meta.Field{
			{
				Key:            "msg",
				Label:          "动态内容",
				Type:           meta.FieldTextarea,
				Required:       true,
				GatewayMessage: true,
				Placeholder:    "要发送的动态正文",
			},
		},
	}
}