package adapter

import (
	"encoding/json"
	"fmt"

	"aiaa-notification-service/internal/config"
)

// ChannelSender sends a rendered message to a specific channel.
type ChannelSender interface {
	Type() string
	Send(title, content string, config json.RawMessage) error
}

func NewSender(channelType string, smtpCfg *config.SMTPConfig) (ChannelSender, error) {
	switch channelType {
	case "dingtalk":
		return &DingTalkSender{}, nil
	case "wecom":
		return &WeComSender{}, nil
	case "bark":
		return &BarkSender{}, nil
	case "email":
		return NewEmailSender(*smtpCfg), nil
	default:
		return nil, fmt.Errorf("unknown channel type: %s", channelType)
	}
}