<?php

namespace app\admin\controller;

use app\admin\model\Admin;
use app\util\Util;
use Illuminate\Support\Facades\Validator;
use support\Request;
use app\model\User;
use app\admin\model\Role;

class AdminController
{
    public function list(Request $request,)
    {
        $page = $request->input('page', 1);
        $perPage = $request->input('per_page', 10);
        $admin = Admin::with('roles')->paginate($perPage, ['*'], 'page', $page);
        return Util::success($admin);
    }
    // 获取用户角色列表
    public function roles(Request $request, $id)
    {
        $admin = Admin::with('roles')->findOrFail($id);
        $allRoles = Role::all();

        $res = [
            'admin' => $admin,
            'all_roles' => $allRoles,
            'assigned_roles' => $admin->roles->pluck('id')->toArray()
        ];
        return Util::success($res);
    }

    // 更新用户角色
    public function updateRoles(Request $request, $id)
    {
//        $request->validate([
//            'roles' => 'required|array',
//            'roles.*' => 'exists:roles,id'
//        ]);
        // 验证规则
        $rules = [
            'roles' => 'required|array',
            'roles.*' => 'exists:roles,id'
        ];

        // 自定义错误消息（可选）
        $messages = [
            'roles.required' => '角色不能为空',
            'roles.exists' => '角色id不存在',
        ];

        // 执行验证
        $validator = Validator::make($request->all(), $rules, $messages);

        $admin = Admin::findOrFail($id);

        $res = $admin->roles()->sync($request->input('roles'));

        return Util::success($res,'角色更新成功');
    }

    // 创建管理员
    public function create(Request $request)
    {
        $rules = [
            'username' => ['required', 'string', 'min:5', 'regex:/^[a-zA-Z0-9\-\_\.]+$/'],
            'password' => 'required|string|min:6',
            'nickname' => 'required|string',
            'email' => 'nullable|email',
            'status' => 'in:0,1'
        ];

        $messages = [
            'username.required' => '账号不能为空',
            'username.min' => '账号长度不能少于5位',
            'username.regex' => '账号只能包含字母、数字、下划线、连字符和点号',
            'password.required' => '密码不能为空',
            'password.min' => '密码长度不能少于6位',
            'nickname.required' => '姓名不能为空',
            'email.email' => '邮箱格式不正确',
            'status.in' => '状态值不正确'
        ];

        $validator = Validator::make($request->all(), $rules, $messages);
        if ($validator->fails()) {
            return Util::fail('',$validator->errors()->first());
        }

        // 检查用户名是否已存在
        if (Admin::where('username', $request->input('username'))->exists()) {
            return Util::fail('','账号已存在');
        }

        // 检查邮箱是否已存在
        if ($request->input('email') && Admin::where('email', $request->input('email'))->exists()) {
            return Util::fail('','邮箱已存在');
        }

        $admin = new Admin();
        $admin->username = $request->input('username');
        $admin->password = password_hash($request->input('password'), PASSWORD_DEFAULT);
        $admin->nickname = $request->input('nickname');
        $admin->email = $request->input('email', null);
        $admin->status = $request->input('status', 1);
        $admin->save();

        if ($request->input('roles')) {
            $res = $admin->roles()->sync($request->input('roles'));
        }

        return Util::success($admin, '管理员创建成功');
    }

    // 修改管理员信息
    public function update(Request $request, $id)
    {
        $admin = Admin::findOrFail($id);

        $rules = [
            'password' => ['string', 'min:6', 'regex:/^[a-zA-Z0-9\-\_\.]+$/'],
            'nickname' => 'string',
            'email' => 'email',
            'status' => 'in:0,1',
            'old_password' => 'required_with:password|string',
            'avatar' => 'string',
            'mobile' => 'string'
        ];

        $messages = [
            'password.min' => '密码长度不能少于6位',
            'password.regex' => '密码只能包含字母、数字、下划线、连字符和点号',
            'email.email' => '邮箱格式不正确',
            'status.in' => '状态值不正确',
            'old_password.required_with' => '请提供旧密码',
            'old_password.string' => '旧密码格式不正确'
        ];

        $validator = Validator::make($request->all(), $rules, $messages);
        if ($validator->fails()) {
            return Util::fail('',$validator->errors()->first());
        }

        // 检查邮箱是否已存在（排除当前管理员）
        if ($request->input('email') && Admin::where('email', $request->input('email'))->where('id', '!=', $id)->exists()) {
            return Util::fail('','邮箱已存在');
        }

        // 准备要更新的数据
        $updateData = $request->only(['nickname', 'email', 'status', 'avatar', 'mobile']);

        // 如果修改密码，验证旧密码
        if ($request->input('password')) {
            if (!$request->input('old_password')) {
                return Util::fail('','请提供旧密码');
            }
            if (!password_verify($request->input('old_password'), $admin->password)) {
                return Util::fail('','旧密码不正确');
            }
            $updateData['password'] = password_hash($request->input('password'), PASSWORD_DEFAULT);
        }

        // 只填充前端传递的字段
        $admin->fill($updateData);
        $admin->save();

        return Util::success($admin, '管理员信息更新成功');
    }

    // 禁用/启用管理员
    public function toggleStatus(Request $request, $id)
    {
        $admin = Admin::findOrFail($id);
        $admin->status = $admin->status == 1 ? 0 : 1;
        $admin->save();

        $statusText = $admin->status == 1 ? '启用' : '禁用';
        return Util::success($admin, "管理员{$statusText}成功");
    }

    // 重置管理员密码
    public function resetPassword(Request $request, $id)
    {
        $rules = [
            'new_password' => 'required|string|min:6',
//            'confirm_password' => 'required|string|same:new_password'
        ];

        $messages = [
            'new_password.required' => '新密码不能为空',
            'new_password.min' => '新密码长度不能少于6位',
//            'confirm_password.required' => '确认密码不能为空',
//            'confirm_password.same' => '两次输入的密码不一致'
        ];

        $validator = Validator::make($request->all(), $rules, $messages);
        if ($validator->fails()) {
            return Util::fail('',$validator->errors()->first());
        }

        $admin = Admin::findOrFail($id);
        $admin->password = password_hash($request->input('new_password'), PASSWORD_DEFAULT);
        $admin->save();

        return Util::success(null, '密码重置成功');
    }
}