package com.klp.controller;

import java.net.URLEncoder;
import java.util.List;
import java.util.Arrays;

import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONObject;
import com.klp.common.utils.StringUtils;
import lombok.RequiredArgsConstructor;
import javax.servlet.http.HttpServletResponse;
import javax.validation.constraints.*;

import org.springframework.web.bind.annotation.*;
import org.springframework.validation.annotation.Validated;
import com.klp.common.annotation.RepeatSubmit;
import com.klp.common.annotation.Log;
import com.klp.common.core.controller.BaseController;
import com.klp.common.core.domain.PageQuery;
import com.klp.common.core.domain.R;
import com.klp.common.core.validate.AddGroup;
import com.klp.common.core.validate.EditGroup;
import com.klp.common.enums.BusinessType;
import com.klp.common.utils.poi.ExcelUtil;
import com.klp.domain.vo.WmsCameraManagementVo;
import com.klp.domain.bo.WmsCameraManagementBo;
import com.klp.service.IWmsCameraManagementService;
import com.klp.common.core.page.TableDataInfo;
import com.klp.common.config.CameraConfig;
import org.springframework.web.client.RestTemplate;

/**
 * 摄像头管理
 *
 * @author Joshi
 * @date 2025-08-07
 */
@Validated
@RequiredArgsConstructor
@RestController
@RequestMapping("/wms/cameraManagement")
public class WmsCameraManagementController extends BaseController {

    private final IWmsCameraManagementService iWmsCameraManagementService;
    private final CameraConfig cameraConfig;

    /**
     * 查询摄像头管理列表
     */
    @GetMapping("/list")
    public TableDataInfo<WmsCameraManagementVo> list(WmsCameraManagementBo bo, PageQuery pageQuery) {
        return iWmsCameraManagementService.queryPageList(bo, pageQuery);
    }

    /**
     * 导出摄像头管理列表
     */
    @Log(title = "摄像头管理", businessType = BusinessType.EXPORT)
    @PostMapping("/export")
    public void export(WmsCameraManagementBo bo, HttpServletResponse response) {
        List<WmsCameraManagementVo> list = iWmsCameraManagementService.queryList(bo);
        ExcelUtil.exportExcel(list, "摄像头管理", WmsCameraManagementVo.class, response);
    }

    /**
     * 获取摄像头管理详细信息
     *
     * @param cameraId 主键
     */
    @GetMapping("/{cameraId}")
    public R<WmsCameraManagementVo> getInfo(@NotNull(message = "主键不能为空")
                                     @PathVariable Long cameraId) {
        return R.ok(iWmsCameraManagementService.queryById(cameraId));
    }

    /**
     * 获取 FLV地址并自动拉流
     */
    @GetMapping("/stream/{cameraId}")
    public R<WmsCameraManagementVo> getCameraStream(@PathVariable Long cameraId) {
        // 1. 查询摄像头RTSP地址
        WmsCameraManagementVo camera = iWmsCameraManagementService.queryById(cameraId);
        if (camera == null || StringUtils.isBlank(camera.getRtspUrl())) {
            return R.fail("摄像头配置错误");
        }

        // 2. 生成FLV播放地址
        String flvUrl = String.format("%s/live/%s.live.flv",
            cameraConfig.getMediaServerHost(),
            camera.getCameraCode());

        // 3. 调用ZLMediaKit拉流
        String apiUrl = String.format("%s/index/api/addStreamProxy?&vhost=__defaultVhost__&app=live&stream=%s&url=%s&secret=%s",
            cameraConfig.getMediaServerHost(),
            camera.getCameraCode(),
            camera.getRtspUrl(),
            cameraConfig.getApiSecret());
        System.out.println("拉流API地址: " + apiUrl);

        try {
            String result = new RestTemplate().getForObject(apiUrl, String.class);
            if (!JSON.parseObject(result).getInteger("code").equals(0)) {
                return R.fail("拉流失败: " + JSON.parseObject(result).getString("msg"));
            }
            camera.setHttpFmp4(flvUrl);
            return R.ok(camera);
        } catch (Exception e) {
            return R.fail("API调用失败: " + e.getMessage());
        }
    }

    /**
     * 手动关闭拉流代理
     */
    @GetMapping("/streamClose/{cameraId}")
    public R<String> closeCameraStream(@PathVariable Long cameraId) {
        // 1. 查询摄像头信息，拿流名（cameraCode）
        WmsCameraManagementVo camera = iWmsCameraManagementService.queryById(cameraId);
        if (camera == null || StringUtils.isBlank(camera.getCameraCode())) {
            return R.fail("摄像头配置错误或不存在");
        }

        // 2. 构造关闭拉流API地址
        String apiUrl = String.format("%s/index/api/delStreamProxy?key=__defaultVhost__/live/%s&secret=%s",
            cameraConfig.getMediaServerHost(),
            camera.getCameraCode(),
            cameraConfig.getApiSecret());
        System.out.println("关闭拉流API地址: " + apiUrl);

        // 3. 调用ZLMediaKit关闭拉流
        try {
            String result = new RestTemplate().getForObject(apiUrl, String.class);
            JSONObject json = JSON.parseObject(result);
            if (json.getInteger("code").equals(0)) {
                return R.ok("关闭成功");
            } else {
                return R.fail("关闭失败: " + json.getString("msg"));
            }
        } catch (Exception e) {
            return R.fail("API调用异常: " + e.getMessage());
        }
    }


    /**
     * 新增摄像头管理
     */
    @Log(title = "摄像头管理", businessType = BusinessType.INSERT)
    @RepeatSubmit()
    @PostMapping()
    public R<Void> add(@Validated(AddGroup.class) @RequestBody WmsCameraManagementBo bo) {
        return toAjax(iWmsCameraManagementService.insertByBo(bo));
    }

    /**
     * 修改摄像头管理
     */
    @Log(title = "摄像头管理", businessType = BusinessType.UPDATE)
    @RepeatSubmit()
    @PutMapping()
    public R<Void> edit(@Validated(EditGroup.class) @RequestBody WmsCameraManagementBo bo) {
        return toAjax(iWmsCameraManagementService.updateByBo(bo));
    }

    /**
     * 删除摄像头管理
     *
     * @param cameraIds 主键串
     */
    @Log(title = "摄像头管理", businessType = BusinessType.DELETE)
    @DeleteMapping("/{cameraIds}")
    public R<Void> remove(@NotEmpty(message = "主键不能为空")
                          @PathVariable Long[] cameraIds) {
        return toAjax(iWmsCameraManagementService.deleteWithValidByIds(Arrays.asList(cameraIds), true));
    }
}