<?php
// +----------------------------------------------------------------------
// | Niucloud-admin 企业快速开发的多应用管理平台
// +----------------------------------------------------------------------
// | 官方网址：https://www.niucloud.com
// +----------------------------------------------------------------------
// | niucloud团队 版权所有 开源版本可自由商用
// +----------------------------------------------------------------------
// | Author: Niucloud Team
// +----------------------------------------------------------------------

namespace app\api\controller\apiController;

use app\Request;
use app\service\api\apiService\ContractService;
use app\service\api\apiService\ContractSignFormService;
use core\base\BaseApiService;
use think\facade\Db;
use think\facade\Log;

/**
 * 合同管理控制器
 * Class Contract
 * @package app\api\controller\apiController
 */
class Contract extends BaseApiService
{
    /**
     * 获取我的合同列表
     * @param Request $request
     * @return mixed
     */
    public function myContracts(Request $request)
    {
        $page = $request->param('page', 1);
        $limit = $request->param('limit', 10);
        
        $where = [
            'personnel_id' => $this->member_id,
            'page' => $page,
            'limit' => $limit
        ];
        
        try {
            $service = new ContractService();
            $res = $service->getMyContracts($where);
            
            if (!$res['code']) {
                return fail($res['msg']);
            }
            
            return success($res['data']);
        } catch (\Exception $e) {
            return fail('获取合同列表失败：' . $e->getMessage());
        }
    }

    /**
     * 获取合同详情
     * @param Request $request
     * @return mixed
     */
    public function detail(Request $request)
    {
        $contract_id = $request->param('id', 0);
        
        if (empty($contract_id)) {
            return fail('合同ID不能为空');
        }
        
        $where = [
            'id' => $contract_id
        ];
        
        try {
            $service = new ContractService();
            $res = $service->getContractDetail($where);
            
            if (!$res['code']) {
                return fail($res['msg']);
            }
            
            return success($res['data']);
        } catch (\Exception $e) {
            return fail('获取合同详情失败：' . $e->getMessage());
        }
    }

    /**
     * 签订合同
     * @param Request $request
     * @return mixed
     */
    public function sign(Request $request)
    {
        $contract_id = $request->param('contract_id', 0);
        $sign_file = $request->param('sign_file', '');
        
        if (empty($contract_id)) {
            return fail('合同ID不能为空');
        }
        
        if (empty($sign_file)) {
            return fail('签名文件不能为空');
        }
        
        $data = [
            'contract_id' => $contract_id,
            'personnel_id' => $this->member_id,
            'sign_file' => $sign_file
        ];
        try {
            $service = new ContractService();
            $res = $service->signContract($data);
            
            if (!$res['code']) {
                return fail($res['msg']);
            }
            
            return success($res['data']);
        } catch (\Exception $e) {
            return fail('签订合同失败：' . $e->getMessage());
        }
    }

    /**
     * 获取合同签订状态
     * @param Request $request
     * @return mixed
     */
    public function signStatus(Request $request)
    {
        $contract_id = $request->param('contract_id', 0);
        
        if (empty($contract_id)) {
            return fail('合同ID不能为空');
        }
        
        $where = [
            'contract_id' => $contract_id,
            'personnel_id' => $this->member_id
        ];
        
        try {
            $service = new ContractService();
            $res = $service->getSignStatus($where);
            
            if (!$res['code']) {
                return fail($res['msg']);
            }
            
            return success($res['data']);
        } catch (\Exception $e) {
            return fail('获取签订状态失败：' . $e->getMessage());
        }
    }

    /**
     * 获取员工合同签署表单配置
     * @param Request $request
     * @return mixed
     */
    public function getSignForm(Request $request)
    {
        $contract_id = $request->param('contract_id', 0);

        if (empty($contract_id)) {
            return fail('合同ID不能为空');
        }

        $where = [
            'contract_id' => $contract_id,
            'personnel_id' => $this->member_id
        ];

        try {
            $service = new ContractService();
            $res = $service->getStaffContractSignForm($where);

            if (!$res['code']) {
                return fail($res['msg']);
            }

            return success($res['data']);
        } catch (\Exception $e) {
            return fail('获取签署表单失败：' . $e->getMessage());
        }
    }

    /**
     * 获取合同签署表单（根据contract_id获取完整数据）
     * @param Request $request
     * @return mixed
     */
    public function signForm(Request $request)
    {
        $contract_id = $request->param('contract_id', 0);

        Log::info('signForm方法被调用', [
            'contract_id' => $contract_id,
            'member_id' => $this->member_id
        ]);

        if (empty($contract_id)) {
            return fail('合同ID不能为空');
        }

        try {
            $service = new ContractSignFormService();
            $res = $service->getContractSignFormByContractId($contract_id);

            Log::info('signForm服务调用结果', [
                'contract_id' => $contract_id,
                'result_code' => $res['code'],
                'result_msg' => $res['msg'] ?? ''
            ]);

            if (!$res['code']) {
                return fail($res['msg']);
            }

            return success($res['data']);
        } catch (\Exception $e) {
            Log::error('signForm异常', [
                'contract_id' => $contract_id,
                'error' => $e->getMessage()
            ]);
            return fail('获取签署表单失败：' . $e->getMessage());
        }
    }

    /**
     * 下载合同文件
     * @param Request $request
     * @return mixed
     */
    public function download(Request $request)
    {
        $contract_id = $request->param('contract_id', 0);
        
        if (empty($contract_id)) {
            return fail('合同ID不能为空');
        }
        
        $where = [
            'contract_id' => $contract_id,
            'personnel_id' => $this->member_id
        ];
        
        try {
            $service = new ContractService();
            $res = $service->downloadContract($where);
            
            if (!$res['code']) {
                return fail($res['msg']);
            }
            
            return success($res['data']);
        } catch (\Exception $e) {
            return fail('下载合同失败：' . $e->getMessage());
        }
    }

    /**
     * 获取学生合同签署表单配置
     * @param Request $request
     * @return mixed
     */
    public function getStudentContractSignForm(Request $request)
    {
        $contract_id = $request->param('contract_id', 0);
        $student_id = $request->param('student_id', 0);
        
        if (empty($contract_id)) {
            return fail('合同ID不能为空');
        }
        
        if (empty($student_id)) {
            return fail('学生ID不能为空');
        }
        
        $params = [
            'contract_id' => $contract_id,
            'student_id' => $student_id
        ];
        
        try {
            $service = new ContractSignFormService();
            $res = $service->getStudentContractSignForm($params);
            
            if (!$res['code']) {
                return fail($res['msg']);
            }
            
            return success($res['data']);
        } catch (\Exception $e) {
            return fail('获取签署表单失败：' . $e->getMessage());
        }
    }

    /**
     * 根据签署记录ID获取学生合同签署表单配置（新方法）
     * 支持按签署关系区分不同订单的签署字段
     * @param Request $request
     * @return mixed
     */
    public function getStudentContractSignFormBySignId(Request $request)
    {
        $contract_sign_id = $request->param('contract_sign_id', 0);
        $student_id = $request->param('student_id', 0);
        
        if (empty($contract_sign_id)) {
            return fail('合同签署记录ID不能为空');
        }
        
        if (empty($student_id)) {
            return fail('学生ID不能为空');
        }
        
        $params = [
            'contract_sign_id' => $contract_sign_id,
            'student_id' => $student_id
        ];
        
        try {
            $service = new ContractSignFormService();
            $res = $service->getStudentContractSignFormBySignId($params);
            
            if (!$res['code']) {
                return fail($res['msg']);
            }
            
            return success($res['data']);
        } catch (\Exception $e) {
            return fail('获取签署表单失败：' . $e->getMessage());
        }
    }

    /**
     * 提交学生合同签署
     * @param Request $request
     * @return mixed
     */
    public function submitStudentContractSign(Request $request)
    {
        $contract_id = $request->param('contract_id', 0);
        $student_id = $request->param('student_id', 0);
        $form_data = $request->param('form_data', []);
        $signature_data = $request->param('signature_data', '');
        
        if (empty($contract_id)) {
            return fail('合同ID不能为空');
        }
        
        if (empty($student_id)) {
            return fail('学生ID不能为空');
        }
        
        if (empty($form_data)) {
            return fail('表单数据不能为空');
        }
        
        $params = [
            'contract_id' => $contract_id,
            'student_id' => $student_id,
            'form_data' => $form_data,
            'signature_data' => $signature_data
        ];
        
        try {
            $service = new ContractSignFormService();
            $res = $service->submitStudentContractSign($params);
            
            if (!$res['code']) {
                return fail($res['msg']);
            }
            
            return success($res['data'], '合同签署成功');
        } catch (\Exception $e) {
            return fail('合同签署失败：' . $e->getMessage());
        }
    }

    /**
     * 员工端合同签署
     * @param Request $request
     * @return mixed
     */
    public function signStaffContract(Request $request)
    {
        $contract_id = $request->param('contract_id', 0);
        $contract_sign_id = $request->param('contract_sign_id', 0);
        $form_data = $request->param('form_data', []);
        $signature_image = $request->param('signature_image', '');
        
        if (empty($contract_id)) {
            return fail('合同ID不能为空');
        }
        
        if (empty($contract_sign_id)) {
            return fail('合同签署记录ID不能为空');
        }
        
        $params = [
            'contract_id' => $contract_id,
            'contract_sign_id' => $contract_sign_id,
            'personnel_id' => $this->member_id,
            'form_data' => $form_data,
            'signature_image' => $signature_image
        ];
        
        try {
            $service = new ContractSignFormService();
            $res = $service->submitStaffContractSign($params);
            
            if (!$res['code']) {
                return fail($res['msg']);
            }
            
            return success($res['data'], '合同签署成功');
        } catch (\Exception $e) {
            return fail('合同签署失败：' . $e->getMessage());
        }
    }

    /**
     * 学员端合同签署
     * @param Request $request
     * @return mixed
     */
    public function signStudentContract(Request $request)
    {
        $contract_id = $request->param('contract_id', 0);
        $contract_sign_id = $request->param('contract_sign_id', 0);
        $student_id = $request->param('student_id', 0);
        $form_data = $request->param('form_data', []);
        $signature_image = $request->param('signature_image', '');
        
        if (empty($contract_id)) {
            return fail('合同ID不能为空');
        }
        
        if (empty($contract_sign_id)) {
            return fail('合同签署记录ID不能为空');
        }
        
        if (empty($student_id)) {
            return fail('学生ID不能为空');
        }
        
        $params = [
            'contract_id' => $contract_id,
            'contract_sign_id' => $contract_sign_id,
            'student_id' => $student_id,
            'form_data' => $form_data,
            'signature_image' => $signature_image
        ];
        
        try {
            $service = new ContractSignFormService();
            $res = $service->submitStudentContractSign($params);
            
            if (!$res['code']) {
                return fail($res['msg']);
            }
            
            return success($res['data'], '合同签署成功');
        } catch (\Exception $e) {
            return fail('合同签署失败：' . $e->getMessage());
        }
    }

    /**
     * 确认生成合同文档
     * @param Request $request
     * @return mixed
     */
    public function confirmGenerateContract(Request $request)
    {
        $contract_sign_id = $request->param('contract_sign_id', 0);
        
        if (empty($contract_sign_id)) {
            return fail('合同签署记录ID不能为空');
        }
        
        try {
            // 获取合同签署记录信息
            $contractSign = Db::table('school_contract_sign')
                ->where('id', $contract_sign_id)
                ->where('deleted_at', 0)
                ->find();
                
            if (!$contractSign) {
                return fail('合同签署记录不存在');
            }
            
            // 检查状态是否允许生成文档
            if ($contractSign['status'] == 3) {
                return fail('合同文档已生成，无需重复生成');
            }
            
            // 获取合同模板信息
            $contract = Db::table('school_contract')
                ->where('id', $contractSign['contract_id'])
                ->where('deleted_at', 0)
                ->find();
                
            if (!$contract) {
                return fail('合同模板不存在');
            }
            
            // 使用ContractSignFormService的公共方法获取完整的表单数据（包括处理后的default_value）
            $contractSignFormService = new ContractSignFormService();
            $signFormResult = $contractSignFormService->getStudentContractSignFormBySignId([
                'contract_sign_id' => $contract_sign_id,
                'student_id' => $contractSign['student_id']
            ]);
            
            if (!$signFormResult['code'] || empty($signFormResult['data']) || empty($signFormResult['data']['form_fields'])) {
                return fail($signFormResult['msg'] ?? '未找到合同字段配置数据');
            }
            
            $signFormData = $signFormResult['data'];
            
            // 准备填充数据 - 使用处理后的default_value
            $fillData = [];
            foreach ($signFormData['form_fields'] as $field) {
                $placeholder = $field['placeholder'];
                $defaultValue = $field['default_value'] ?? '';
                $fillData[$placeholder] = $defaultValue;
            }
            
            // 调试信息：记录填充数据
            Log::info('准备的填充数据', [
                'contract_sign_id' => $contract_sign_id,
                'fill_data_count' => count($fillData),
                'fill_data' => $fillData
            ]);
            
            // 调用DocumentTemplateService的新XML字符串方法生成Word文档
            $documentService = new \app\service\admin\document\DocumentTemplateService();
            $generateData = [
                'template_id' => $contractSign['contract_id'],
                'fill_data' => $fillData,
                'output_filename' => $contract['contract_name'] . '_' . $contractSign['student_id'] . '_' . date('YmdHis') . '.docx',
                'use_direct_values' => true // 直接使用已处理的值，不进行二次处理
            ];
            
            $result = $documentService->generateDocumentByXmlString($generateData);

            // 更新school_contract_sign表的sign_file字段和status字段
            $updateResult = Db::table('school_contract_sign')
                ->where('id', $contract_sign_id)
                ->update([
                    'sign_file' => '/upload/'.$result['file_path'],
                    'status' => 3,
                    'updated_at' => date('Y-m-d H:i:s')
                ]);
                
            if (!$updateResult) {
                return fail('更新合同签署记录失败');
            }
            
            // 记录日志
            Log::info('合同文档生成成功', [
                'contract_sign_id' => $contract_sign_id,
                'contract_id' => $contractSign['contract_id'],
                'student_id' => $contractSign['student_id'],
                'file_path' => $result['file_path']
            ]);
            
            return success([
                'file_path' => $result['file_path'],
                'file_name' => $result['file_name'],
                'download_url' => $result['download_url']
            ], '合同文档生成成功');
            
        } catch (\Exception $e) {
            // 记录错误日志
            Log::error('合同文档生成失败', [
                'contract_sign_id' => $contract_sign_id,
                'error' => $e->getMessage(),
                'trace' => $e->getTraceAsString()
            ]);
            
            return fail('合同文档生成失败：' . $e->getMessage());
        }
    }
}