package com.wok.supportbot.controller;

import com.wok.supportbot.entity.SysUser;
import com.wok.supportbot.entity.WebhookConfig;
import com.wok.supportbot.service.SysUserService;
import com.wok.supportbot.service.WebhookService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.context.SecurityContextHolder;
import org.springframework.web.bind.annotation.*;

import java.util.*;

/**
 * Webhook 管理接口
 * 提供 Webhook 的创建、更新、删除、分页查询、测试推送等操作。
 */
@Slf4j
@RestController
@RequestMapping("/webhook")
public class WebhookController {

    @Autowired
    private WebhookService webhookService;

    @Autowired
    private SysUserService sysUserService;

    /**
     * 分页查询 Webhook 列表
     */
    @GetMapping("/list")
    @PreAuthorize("hasRole('admin')")
    public ResponseEntity<Map<String, Object>> list(
            @RequestParam(defaultValue = "1") int page,
            @RequestParam(defaultValue = "20") int size,
            @RequestParam(required = false) String sortField,
            @RequestParam(required = false) String sortOrder) {
        try {
            Map<String, Object> result = webhookService.listWebhooks(page, size, sortField, sortOrder);

            Map<String, Object> data = new HashMap<>();
            data.put("success", true);
            data.put("data", result.get("records"));
            data.put("total", result.get("total"));
            data.put("page", result.get("page"));
            data.put("size", result.get("size"));
            data.put("pages", result.get("pages"));
            return ResponseEntity.ok(data);
        } catch (Exception e) {
            log.error("查询 Webhook 列表失败", e);
            return ResponseEntity.status(500).body(Map.of(
                    "success", false,
                    "message", "查询失败：" + e.getMessage()
            ));
        }
    }

    /**
     * 创建 Webhook
     *
     * @param body 请求体，包含 name, url, events（事件列表）
     */
    @SuppressWarnings("unchecked")
    @PostMapping
    @PreAuthorize("hasRole('admin')")
    public ResponseEntity<Map<String, Object>> create(@RequestBody Map<String, Object> body) {
        try {
            String name = (String) body.get("name");
            String url = (String) body.get("url");
            if (name == null || name.isBlank()) {
                return ResponseEntity.badRequest().body(Map.of(
                        "success", false,
                        "message", "名称不能为空"
                ));
            }
            if (url == null || url.isBlank()) {
                return ResponseEntity.badRequest().body(Map.of(
                        "success", false,
                        "message", "URL 不能为空"
                ));
            }

            List<String> events = body.get("events") instanceof List<?>
                    ? ((List<String>) body.get("events"))
                    : new ArrayList<>();

            // 从 SecurityContext 获取当前登录用户 ID
            Authentication auth = SecurityContextHolder.getContext().getAuthentication();
            if (auth == null || !auth.isAuthenticated() || "anonymousUser".equals(auth.getPrincipal())) {
                return ResponseEntity.status(401).body(Map.of(
                        "success", false,
                        "message", "未登录，无法创建 Webhook"
                ));
            }
            SysUser currentUser = sysUserService.getUserByUsername(auth.getName());
            Long userId = (currentUser != null) ? currentUser.getId() : null;

            WebhookConfig config = webhookService.createWebhook(userId, name, url, events);
            return ResponseEntity.ok(Map.of(
                    "success", true,
                    "message", "创建成功",
                    "data", config
            ));
        } catch (Exception e) {
            log.error("创建 Webhook 失败", e);
            return ResponseEntity.status(500).body(Map.of(
                    "success", false,
                    "message", "创建失败：" + e.getMessage()
            ));
        }
    }

    /**
     * 更新 Webhook
     *
     * @param id   Webhook ID
     * @param body 请求体，包含 name, url, events, enabled（均可选）
     */
    @SuppressWarnings("unchecked")
    @PutMapping("/{id}")
    @PreAuthorize("hasRole('admin')")
    public ResponseEntity<Map<String, Object>> update(@PathVariable Long id,
                                                      @RequestBody Map<String, Object> body) {
        try {
            String name = body.containsKey("name") ? (String) body.get("name") : null;
            String url = body.containsKey("url") ? (String) body.get("url") : null;
            List<String> events = body.get("events") instanceof List<?>
                    ? ((List<String>) body.get("events")) : null;
            Boolean enabled = body.containsKey("enabled") ? (Boolean) body.get("enabled") : null;

            WebhookConfig config = webhookService.updateWebhook(id, name, url, events, enabled);
            return ResponseEntity.ok(Map.of(
                    "success", true,
                    "message", "更新成功",
                    "data", config
            ));
        } catch (IllegalArgumentException e) {
            return ResponseEntity.badRequest().body(Map.of(
                    "success", false,
                    "message", e.getMessage()
            ));
        } catch (Exception e) {
            log.error("更新 Webhook 失败", e);
            return ResponseEntity.status(500).body(Map.of(
                    "success", false,
                    "message", "更新失败：" + e.getMessage()
            ));
        }
    }

    /**
     * 删除 Webhook
     */
    @DeleteMapping("/{id}")
    @PreAuthorize("hasRole('admin')")
    public ResponseEntity<Map<String, Object>> delete(@PathVariable Long id) {
        try {
            webhookService.deleteWebhook(id);
            return ResponseEntity.ok(Map.of(
                    "success", true,
                    "message", "删除成功"
            ));
        } catch (IllegalArgumentException e) {
            return ResponseEntity.badRequest().body(Map.of(
                    "success", false,
                    "message", e.getMessage()
            ));
        } catch (Exception e) {
            log.error("删除 Webhook 失败", e);
            return ResponseEntity.status(500).body(Map.of(
                    "success", false,
                    "message", "删除失败：" + e.getMessage()
            ));
        }
    }

    /**
     * 测试 Webhook 推送
     * 向指定 Webhook 发送一条测试事件，验证连通性。
     *
     * @param id Webhook ID
     */
    @PostMapping("/{id}/test")
    @PreAuthorize("hasRole('admin')")
    public ResponseEntity<Map<String, Object>> test(@PathVariable Long id) {
        try {
            Map<String, Object> testPayload = Map.of(
                    "message", "这是一条 Webhook 测试推送",
                    "webhookId", id.toString()
            );
            // 直接触发测试事件（使用同步方式以便立即返回结果）
            // triggerEvent 是异步的，这里手动构建测试请求
            webhookService.triggerEvent("test.ping", testPayload);
            return ResponseEntity.ok(Map.of(
                    "success", true,
                    "message", "测试推送已发送，请检查目标 URL 是否收到请求"
            ));
        } catch (Exception e) {
            log.error("Webhook 测试推送失败", e);
            return ResponseEntity.status(500).body(Map.of(
                    "success", false,
                    "message", "测试推送失败：" + e.getMessage()
            ));
        }
    }
}