package com.lesingle.creation.controller;

import com.lesingle.creation.common.core.Result;
import com.lesingle.creation.common.security.UserPrincipal;
import com.lesingle.creation.dto.child.CreateChildDTO;
import com.lesingle.creation.dto.child.UpdateChildDTO;
import com.lesingle.creation.dto.publicuser.PublicLoginDTO;
import com.lesingle.creation.dto.publicuser.PublicRegisterDTO;
import com.lesingle.creation.dto.publicuser.PublicUserUpdateDTO;
import com.lesingle.creation.service.PublicService;
import com.lesingle.creation.vo.child.ChildVO;
import com.lesingle.creation.vo.publicuser.PublicUserVO;
import com.lesingle.creation.vo.publicuser.LoginResponseVO;
import io.swagger.v3.oas.annotations.Operation;
import io.swagger.v3.oas.annotations.Parameter;
import io.swagger.v3.oas.annotations.tags.Tag;
import jakarta.validation.Valid;
import lombok.RequiredArgsConstructor;
import org.springframework.security.access.prepost.PreAuthorize;
import org.springframework.security.core.annotation.AuthenticationPrincipal;
import org.springframework.web.bind.annotation.*;

import java.util.List;

/**
 * 公共接口控制器
 * 提供公众用户注册、登录、个人信息、子女管理等功能
 */
@Tag(name = "公共接口", description = "公众用户相关接口")
@RestController
@RequestMapping("/api/public")
@RequiredArgsConstructor
public class PublicController {

    private final PublicService publicService;

    // ==================== 注册 & 登录（公开接口） ====================

    @PostMapping("/auth/register")
    @Operation(summary = "用户注册")
    public Result<LoginResponseVO> register(@RequestBody @Valid PublicRegisterDTO dto) {
        return Result.success(publicService.register(dto));
    }

    @PostMapping("/auth/login")
    @Operation(summary = "用户登录")
    public Result<LoginResponseVO> login(@RequestBody @Valid PublicLoginDTO dto) {
        return Result.success(publicService.login(dto));
    }

    // ==================== 个人信息（需要登录） ====================

    @GetMapping("/mine/profile")
    @Operation(summary = "获取个人信息")
    public Result<PublicUserVO> getProfile(@AuthenticationPrincipal UserPrincipal userPrincipal) {
        
        Long userId = userPrincipal.getUserId();
        return Result.success(publicService.getUserInfo(userId));
    }

    @PutMapping("/mine/profile")
    @Operation(summary = "更新个人信息")
    public Result<PublicUserVO> updateProfile(
            @AuthenticationPrincipal UserPrincipal userPrincipal,
            @RequestBody PublicUserUpdateDTO dto) {
        
        Long userId = userPrincipal.getUserId();
        return Result.success(publicService.updateProfile(userId, dto));
    }

    // ==================== 子女管理（需要登录） ====================

    @GetMapping("/mine/children")
    @Operation(summary = "获取子女列表")
    public Result<List<ChildVO>> getChildren(@AuthenticationPrincipal UserPrincipal userPrincipal) {
        
        Long userId = userPrincipal.getUserId();
        return Result.success(publicService.getChildren(userId));
    }

    @PostMapping("/mine/children")
    @Operation(summary = "创建子女")
    public Result<ChildVO> createChild(
            @AuthenticationPrincipal UserPrincipal userPrincipal,
            @RequestBody @Valid CreateChildDTO dto) {
        
        Long userId = userPrincipal.getUserId();
        return Result.success(publicService.createChild(userId, dto));
    }

    @GetMapping("/mine/children/{id}")
    @Operation(summary = "获取子女详情")
    public Result<ChildVO> getChild(
            @AuthenticationPrincipal UserPrincipal userPrincipal,
            @PathVariable Long id) {
        
        Long userId = userPrincipal.getUserId();
        return Result.success(publicService.getChild(userId, id));
    }

    @PutMapping("/mine/children/{id}")
    @Operation(summary = "更新子女信息")
    public Result<ChildVO> updateChild(
            @AuthenticationPrincipal UserPrincipal userPrincipal,
            @PathVariable Long id,
            @RequestBody UpdateChildDTO dto) {
        
        Long userId = userPrincipal.getUserId();
        return Result.success(publicService.updateChild(userId, id, dto));
    }

    @DeleteMapping("/mine/children/{id}")
    @Operation(summary = "删除子女")
    public Result<Void> deleteChild(
            @AuthenticationPrincipal UserPrincipal userPrincipal,
            @PathVariable Long id) {
        Long userId = userPrincipal.getUserId();
        publicService.deleteChild(userId, id);
        return Result.success(null);
    }

    // ==================== 子女独立账号管理 ====================

    @PostMapping("/children/create-account")
    @Operation(summary = "创建子女独立账号")
    public Result<ChildVO> createChildAccount(
            @AuthenticationPrincipal UserPrincipal userPrincipal,
            @RequestBody @Valid CreateChildDTO dto) {
        Long userId = userPrincipal.getUserId();
        return Result.success(publicService.createChildAccount(userId, dto));
    }

    @GetMapping("/children/accounts")
    @Operation(summary = "获取子女账号列表")
    public Result<List<ChildVO>> getChildAccounts(@AuthenticationPrincipal UserPrincipal userPrincipal) {
        Long userId = userPrincipal.getUserId();
        return Result.success(publicService.getChildAccounts(userId));
    }

    @PutMapping("/children/accounts/{id}")
    @Operation(summary = "更新子女账号信息")
    public Result<ChildVO> updateChildAccount(
            @AuthenticationPrincipal UserPrincipal userPrincipal,
            @PathVariable Long id,
            @RequestBody UpdateChildDTO dto) {
        Long userId = userPrincipal.getUserId();
        return Result.success(publicService.updateChildAccount(userId, id, dto));
    }

    @GetMapping("/mine/parent-info")
    @Operation(summary = "获取监护人信息")
    public Result<PublicUserVO> getParentInfo(@AuthenticationPrincipal UserPrincipal userPrincipal) {
        Long userId = userPrincipal.getUserId();
        return Result.success(publicService.getParentInfo(userId));
    }

    // ==================== 活动浏览（公开接口） ====================

    @GetMapping("/activities")
    @Operation(summary = "获取活动列表")
    public Result getActivities(
            @RequestParam(defaultValue = "1") Integer page,
            @RequestParam(defaultValue = "12") Integer pageSize,
            @RequestParam(required = false) String keyword,
            @RequestParam(required = false) String contestType,
            @AuthenticationPrincipal UserPrincipal userPrincipal) {
        Long userId = userPrincipal != null ? userPrincipal.getUserId() : null;
        return Result.success(publicService.getPublicActivities(page, pageSize, keyword, contestType, userId));
    }

    @GetMapping("/activities/{id}")
    @Operation(summary = "获取活动详情")
    public Result getActivityDetail(@PathVariable Long id) {
        return Result.success(publicService.getActivityDetail(id));
    }
}
