package com.zxyj.controller;

import com.zxyj.common.Result;
import com.zxyj.entity.Street;
import com.zxyj.service.StreetService;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.tags.Tag;
import org.springframework.web.bind.annotation.*;

import javax.annotation.Resource;
import java.util.List;
import java.util.Map;

/**
 * 街道地址控制器 - 支持四级地址选择和匹配
 */
@Tag(name = "街道地址", description = "四级地址选择、区域匹配、统计接口")
@RestController
@RequestMapping("/api/streets")
public class StreetController {

    @Resource
    private StreetService streetService;

    /**
     * 获取所有省份
     */
    @Operation(summary = "获取所有省份")
    @GetMapping("/provinces")
    public Result<List<Street>> getAllProvinces() {
        List<Street> provinces = streetService.getAllProvinces();
        return Result.success(provinces);
    }

    /**
     * 根据父级ID获取子级地址
     */
    @Operation(summary = "根据父级ID获取子级地址")
    @GetMapping("/children/{parentId}")
    public Result<List<Street>> getChildren(@PathVariable Long parentId) {
        List<Street> children = streetService.getChildrenByParentId(parentId);
        return Result.success(children);
    }

    /**
     * 根据ID获取地址详情
     */
    @Operation(summary = "根据ID获取地址详情")
    @GetMapping("/{id}")
    public Result<Street> getById(@PathVariable Long id) {
        Street street = streetService.getById(id);
        return Result.success(street);
    }

    /**
     * 获取地址的完整路径
     */
    @Operation(summary = "获取地址完整路径")
    @GetMapping("/{id}/path")
    public Result<List<Street>> getAddressPath(@PathVariable Long id) {
        List<Street> path = streetService.getAddressPath(id);
        return Result.success(path);
    }

    /**
     * 搜索地址
     */
    @Operation(summary = "搜索地址")
    @GetMapping("/search")
    public Result<List<Street>> search(@RequestParam String keyword) {
        List<Street> results = streetService.search(keyword);
        return Result.success(results);
    }

    /**
     * 区域回退匹配 - 获取匹配范围
     */
    @Operation(summary = "区域回退匹配", description = "根据街道ID返回街道级、区县级、城市级的匹配范围")
    @GetMapping("/{id}/match")
    public Result<Map<String, Object>> match(@PathVariable Long id) {
        Map<String, Object> matchResult = streetService.matchByStreetWithFallback(id);
        return Result.success(matchResult);
    }

    /**
     * 按区域统计
     */
    @Operation(summary = "按区域统计", description = "按指定层级统计地址数量")
    @GetMapping("/stats")
    public Result<Map<String, Object>> getStatistics(@RequestParam(defaultValue = "4") Integer level) {
        Map<String, Object> stats = streetService.getStatisticsByLevel(level);
        return Result.success(stats);
    }
}