package com.ruoyi.notification.controller;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import com.ruoyi.common.annotation.Log;
import com.ruoyi.common.core.controller.BaseController;
import com.ruoyi.common.core.domain.AjaxResult;
import com.ruoyi.common.enums.BusinessType;

/**
 * 通知服务API控制器
 * 
 * 提供消息发送、定时通知、消息模板管理等RESTful API接口
 * 
 * @author ruoyi
 * @date 2025-12-19
 */
@RestController
@RequestMapping("/api/notification")
public class NotificationController extends BaseController
{
    // 注意：这里需要注入实际的通知服务，暂时用注释表示
    // @Autowired
    // private INotificationService notificationService;

    /**
     * 发送通知
     * 
     * @param recipient 接收者
     * @param message 消息内容
     * @param type 通知类型 (EMAIL/SMS/WECHAT/SYSTEM/APP_PUSH)
     * @param priority 优先级 (可选)
     * @return 发送结果
     */
    @PreAuthorize("@ss.hasPermi('notification:send:add')")
    @Log(title = "通知发送", businessType = BusinessType.INSERT)
    @PostMapping("/send")
    public AjaxResult sendNotification(
            @RequestParam("recipient") String recipient,
            @RequestParam("message") String message,
            @RequestParam("type") String type,
            @RequestParam(value = "priority", defaultValue = "NORMAL") String priority)
    {
        try {
            // 这里需要实现实际的通知发送逻辑
            // String messageId = notificationService.sendNotification(recipient, message, type, priority);
            String messageId = "MSG" + System.currentTimeMillis(); // 临时模拟
            return AjaxResult.success("通知发送成功", messageId);
        } catch (Exception e) {
            logger.error("发送通知失败", e);
            return error("发送通知失败: " + e.getMessage());
        }
    }

    /**
     * 安排定时通知
     * 
     * @param scheduleInfo 定时信息
     * @return 安排结果
     */
    @PreAuthorize("@ss.hasPermi('notification:schedule:add')")
    @Log(title = "定时通知", businessType = BusinessType.INSERT)
    @PostMapping("/schedule")
    public AjaxResult scheduleNotification(@RequestBody Map<String, Object> scheduleInfo)
    {
        try {
            // 这里需要实现实际的定时通知安排逻辑
            // String scheduleId = notificationService.scheduleNotification(scheduleInfo);
            String scheduleId = "SCH" + System.currentTimeMillis(); // 临时模拟
            return AjaxResult.success("定时通知安排成功", scheduleId);
        } catch (Exception e) {
            logger.error("安排定时通知失败", e);
            return error("安排定时通知失败: " + e.getMessage());
        }
    }

    /**
     * 获取消息模板列表
     * 
     * @param category 模板分类 (可选)
     * @param type 通知类型 (可选)
     * @return 模板列表
     */
    @PreAuthorize("@ss.hasPermi('notification:template:query')")
    @GetMapping("/templates")
    public AjaxResult getMessageTemplates(
            @RequestParam(value = "category", required = false) String category,
            @RequestParam(value = "type", required = false) String type)
    {
        try {
            // 这里需要实现实际的消息模板获取逻辑
            // List<Map<String, Object>> templates = notificationService.getMessageTemplates(category, type);
            return AjaxResult.success("消息模板列表", null); // 临时模拟
        } catch (Exception e) {
            logger.error("获取消息模板失败", e);
            return error("获取消息模板失败: " + e.getMessage());
        }
    }

    /**
     * 创建消息模板
     * 
     * @param templateInfo 模板信息
     * @return 创建结果
     */
    @PreAuthorize("@ss.hasPermi('notification:template:add')")
    @Log(title = "消息模板", businessType = BusinessType.INSERT)
    @PostMapping("/templates")
    public AjaxResult createMessageTemplate(@RequestBody Map<String, Object> templateInfo)
    {
        try {
            // 这里需要实现实际的消息模板创建逻辑
            // String templateId = notificationService.createMessageTemplate(templateInfo);
            String templateId = "TPL" + System.currentTimeMillis(); // 临时模拟
            return AjaxResult.success("消息模板创建成功", templateId);
        } catch (Exception e) {
            logger.error("创建消息模板失败", e);
            return error("创建消息模板失败: " + e.getMessage());
        }
    }

    /**
     * 查询投递状态
     * 
     * @param messageId 消息ID
     * @return 投递状态
     */
    @PreAuthorize("@ss.hasPermi('notification:status:query')")
    @GetMapping("/delivery-status/{messageId}")
    public AjaxResult getDeliveryStatus(@PathVariable("messageId") String messageId)
    {
        try {
            // 这里需要实现实际的投递状态查询逻辑
            // Map<String, Object> status = notificationService.getDeliveryStatus(messageId);
            Map<String, Object> status = new HashMap<>();
            status.put("messageId", messageId);
            status.put("status", "DELIVERED");
            status.put("deliveryTime", System.currentTimeMillis());
            status.put("attempts", 1); // 临时模拟
            return AjaxResult.success("投递状态", status);
        } catch (Exception e) {
            logger.error("查询投递状态失败", e);
            return error("查询投递状态失败: " + e.getMessage());
        }
    }

    /**
     * 批量发送通知
     * 
     * @param recipients 接收者列表
     * @param message 消息内容
     * @param type 通知类型
     * @return 发送结果
     */
    @PreAuthorize("@ss.hasPermi('notification:batch:add')")
    @Log(title = "批量通知", businessType = BusinessType.INSERT)
    @PostMapping("/batch-send")
    public AjaxResult batchSendNotification(
            @RequestParam("recipients") List<String> recipients,
            @RequestParam("message") String message,
            @RequestParam("type") String type)
    {
        try {
            // 这里需要实现实际的批量通知发送逻辑
            // Map<String, Object> result = notificationService.batchSendNotification(recipients, message, type);
            Map<String, Object> result = new HashMap<>();
            result.put("totalSent", recipients.size());
            result.put("successCount", recipients.size());
            result.put("failureCount", 0);
            result.put("batchId", "BATCH" + System.currentTimeMillis()); // 临时模拟
            return AjaxResult.success("批量通知发送成功", result);
        } catch (Exception e) {
            logger.error("批量发送通知失败", e);
            return error("批量发送通知失败: " + e.getMessage());
        }
    }

    /**
     * 获取通知统计信息
     * 
     * @param timeRange 时间范围
     * @param type 通知类型 (可选)
     * @return 统计信息
     */
    @PreAuthorize("@ss.hasPermi('notification:statistics:query')")
    @GetMapping("/statistics")
    public AjaxResult getNotificationStatistics(
            @RequestParam(value = "timeRange", defaultValue = "7d") String timeRange,
            @RequestParam(value = "type", required = false) String type)
    {
        try {
            // 这里需要实现实际的通知统计逻辑
            // Map<String, Object> statistics = notificationService.getNotificationStatistics(timeRange, type);
            Map<String, Object> statistics = new HashMap<>();
            statistics.put("totalSent", 1250);
            statistics.put("successRate", "98.5%");
            statistics.put("averageDeliveryTime", "2.3s");
            statistics.put("failureCount", 19); // 临时模拟
            return AjaxResult.success("通知统计信息", statistics);
        } catch (Exception e) {
            logger.error("获取通知统计信息失败", e);
            return error("获取通知统计信息失败: " + e.getMessage());
        }
    }

    /**
     * 重试失败的通知
     * 
     * @param messageId 消息ID
     * @return 重试结果
     */
    @PreAuthorize("@ss.hasPermi('notification:retry:edit')")
    @Log(title = "通知重试", businessType = BusinessType.UPDATE)
    @PostMapping("/{messageId}/retry")
    public AjaxResult retryNotification(@PathVariable("messageId") String messageId)
    {
        try {
            // 这里需要实现实际的通知重试逻辑
            // boolean result = notificationService.retryNotification(messageId);
            boolean result = true; // 临时模拟
            return toAjax(result);
        } catch (Exception e) {
            logger.error("重试通知失败", e);
            return error("重试通知失败: " + e.getMessage());
        }
    }

    /**
     * 取消定时通知
     * 
     * @param scheduleId 定时任务ID
     * @return 取消结果
     */
    @PreAuthorize("@ss.hasPermi('notification:schedule:edit')")
    @Log(title = "定时通知", businessType = BusinessType.UPDATE)
    @PostMapping("/schedule/{scheduleId}/cancel")
    public AjaxResult cancelScheduledNotification(@PathVariable("scheduleId") String scheduleId)
    {
        try {
            // 这里需要实现实际的定时通知取消逻辑
            // boolean result = notificationService.cancelScheduledNotification(scheduleId);
            boolean result = true; // 临时模拟
            return toAjax(result);
        } catch (Exception e) {
            logger.error("取消定时通知失败", e);
            return error("取消定时通知失败: " + e.getMessage());
        }
    }

    /**
     * 获取用户通知偏好设置
     * 
     * @param userId 用户ID
     * @return 偏好设置
     */
    @PreAuthorize("@ss.hasPermi('notification:preference:query')")
    @GetMapping("/preferences/{userId}")
    public AjaxResult getUserNotificationPreferences(@PathVariable("userId") Long userId)
    {
        try {
            // 这里需要实现实际的用户偏好获取逻辑
            // Map<String, Object> preferences = notificationService.getUserNotificationPreferences(userId);
            Map<String, Object> preferences = new HashMap<>();
            preferences.put("emailEnabled", true);
            preferences.put("smsEnabled", false);
            preferences.put("wechatEnabled", true);
            preferences.put("appPushEnabled", true); // 临时模拟
            return AjaxResult.success("用户通知偏好", preferences);
        } catch (Exception e) {
            logger.error("获取用户通知偏好失败", e);
            return error("获取用户通知偏好失败: " + e.getMessage());
        }
    }
}