package handlers

import (
	"strconv"

	"goalfymax-admin/internal/models"
	"goalfymax-admin/internal/services"
	"goalfymax-admin/pkg/utils"

	"github.com/gin-gonic/gin"
)

// MessagePushHandler 消息推送处理器
type MessagePushHandler struct {
	service  services.MessagePushService
	response *utils.Response
}

// NewMessagePushHandler 创建消息推送处理器
func NewMessagePushHandler(service services.MessagePushService) *MessagePushHandler {
	return &MessagePushHandler{
		service:  service,
		response: utils.NewResponse(),
	}
}

// SendMessage 发送消息
func (h *MessagePushHandler) SendMessage(c *gin.Context) {
	var req models.MessagePushRequest
	if err := c.ShouldBindJSON(&req); err != nil {
		h.response.ValidateError(c, err)
		return
	}

	// 获取当前用户信息
	userID, exists := c.Get("user_id")
	if !exists {
		h.response.Unauthorized(c, "无法获取用户信息")
		return
	}

	// 处理用户ID类型
	var senderID int
	switch v := userID.(type) {
	case int:
		senderID = v
	case uint:
		senderID = int(v)
	case string:
		var err error
		senderID, err = strconv.Atoi(v)
		if err != nil {
			h.response.InternalServerError(c, "用户ID格式错误")
			return
		}
	default:
		h.response.InternalServerError(c, "用户ID格式错误")
		return
	}

	// 获取发送人姓名（从用户信息中获取）
	senderName := "系统管理员"
	if user, exists := c.Get("user"); exists {
		if userInfo, ok := user.(map[string]interface{}); ok {
			if name, ok := userInfo["name"].(string); ok {
				senderName = name
			}
		}
	}

	result, err := h.service.SendMessage(c.Request.Context(), &req, senderID, senderName)
	if err != nil {
		h.response.InternalServerError(c, err.Error())
		return
	}

	h.response.Success(c, result)
}

// GetPushLogs 获取推送记录列表
func (h *MessagePushHandler) GetPushLogs(c *gin.Context) {
	var req models.MessagePushListRequest
	if err := c.ShouldBindQuery(&req); err != nil {
		h.response.ValidateError(c, err)
		return
	}

	result, err := h.service.GetPushLogs(c.Request.Context(), &req)
	if err != nil {
		h.response.InternalServerError(c, err.Error())
		return
	}

	h.response.Success(c, result)
}

// GetPushLogByID 根据ID获取推送记录
func (h *MessagePushHandler) GetPushLogByID(c *gin.Context) {
	idStr := c.Param("id")
	id, err := strconv.ParseInt(idStr, 10, 64)
	if err != nil {
		h.response.BadRequest(c, "无效的推送记录ID")
		return
	}

	log, err := h.service.GetPushLogByID(c.Request.Context(), id)
	if err != nil {
		if err.Error() == "推送记录不存在" {
			h.response.NotFound(c, "推送记录不存在")
			return
		}
		h.response.InternalServerError(c, err.Error())
		return
	}

	h.response.Success(c, log)
}

// SearchUsers 搜索用户
func (h *MessagePushHandler) SearchUsers(c *gin.Context) {
	var req models.UserSearchRequest
	if err := c.ShouldBindQuery(&req); err != nil {
		h.response.ValidateError(c, err)
		return
	}

	result, err := h.service.SearchUsers(c.Request.Context(), &req)
	if err != nil {
		h.response.InternalServerError(c, err.Error())
		return
	}

	h.response.Success(c, result)
}