package com.wok.supportbot.controller;

import com.wok.supportbot.entity.SystemConfig;
import com.wok.supportbot.service.SystemConfigService;
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.web.bind.annotation.*;

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

/**
 * 系统配置管理接口
 * <p>
 * 管理后台编辑系统级配置项（SDK 保密声明等），
 * 管理接口需要 admin 角色。
 */
@Slf4j
@RestController
@RequestMapping("/system-config")
public class SystemConfigController {

    @Autowired
    private SystemConfigService systemConfigService;

    /**
     * 查询所有系统配置列表
     */
    @GetMapping("/list")
    @PreAuthorize("hasRole('admin')")
    public ResponseEntity<Map<String, Object>> list() {
        try {
            List<SystemConfig> configs = systemConfigService.listAll();
            return ResponseEntity.ok(Map.of(
                    "success", true,
                    "data", configs
            ));
        } catch (Exception e) {
            log.error("查询系统配置列表失败", e);
            return ResponseEntity.status(500).body(Map.of(
                    "success", false,
                    "message", "查询失败：" + e.getMessage()
            ));
        }
    }

    /**
     * 查询单条系统配置
     *
     * @param key 配置键（如 "disclaimer"）
     */
    @GetMapping("/{key}")
    @PreAuthorize("hasRole('admin')")
    public ResponseEntity<Map<String, Object>> getByKey(@PathVariable String key) {
        try {
            SystemConfig config = systemConfigService.getByKey(key);
            if (config == null) {
                return ResponseEntity.status(404).body(Map.of(
                        "success", false,
                        "message", "配置不存在：" + key
                ));
            }
            return ResponseEntity.ok(Map.of(
                    "success", true,
                    "data", config
            ));
        } catch (Exception e) {
            log.error("查询系统配置失败, key={}", key, e);
            return ResponseEntity.status(500).body(Map.of(
                    "success", false,
                    "message", "查询失败：" + e.getMessage()
            ));
        }
    }

    /**
     * 更新系统配置
     *
     * @param key  配置键（如 "disclaimer"）
     * @param body 请求体 { "configValue": "...", "description": "..." }
     */
    @PutMapping("/{key}")
    @PreAuthorize("hasRole('admin')")
    public ResponseEntity<Map<String, Object>> update(
            @PathVariable String key,
            @RequestBody Map<String, String> body) {
        try {
            String configValue = body.getOrDefault("configValue", "");
            String description = body.getOrDefault("description", "");
            systemConfigService.saveOrUpdate(key, configValue, description);
            return ResponseEntity.ok(Map.of(
                    "success", true,
                    "message", "保存成功"
            ));
        } catch (Exception e) {
            log.error("更新系统配置失败", e);
            return ResponseEntity.status(500).body(Map.of(
                    "success", false,
                    "message", "保存失败：" + e.getMessage()
            ));
        }
    }

    /**
     * 删除系统配置（逻辑删除）
     *
     * @param key 配置键（如 "disclaimer"）
     */
    @DeleteMapping("/{key}")
    @PreAuthorize("hasRole('admin')")
    public ResponseEntity<Map<String, Object>> delete(@PathVariable String key) {
        try {
            boolean deleted = systemConfigService.deleteByKey(key);
            if (!deleted) {
                return ResponseEntity.status(404).body(Map.of(
                        "success", false,
                        "message", "配置不存在：" + key
                ));
            }
            return ResponseEntity.ok(Map.of(
                    "success", true,
                    "message", "删除成功"
            ));
        } catch (Exception e) {
            log.error("删除系统配置失败, key={}", key, e);
            return ResponseEntity.status(500).body(Map.of(
                    "success", false,
                    "message", "删除失败：" + e.getMessage()
            ));
        }
    }
}