'use strict';

module.exports = (dc) => {
   const DataTypes = dc.ORM;
   const ResourceLibraryFile = dc.orm.define(
      'resourceLibraryFile',
      {
         id: {
            type: DataTypes.UUID,
            allowNull: false,
            primaryKey: true,
            defaultValue: DataTypes.UUIDV4,
            field: 'id',
            comment: '文件资源ID',
         },
         aiCenterUserId: {
            type: DataTypes.BIGINT,
            allowNull: false,
            field: 'ai_center_user_id',
            comment: 'ai-center本地用户ID',
         },
         projectName: {
            type: DataTypes.STRING(64),
            allowNull: false,
            defaultValue: '飞小尚',
            field: 'project_name',
            comment: '项目名称',
         },
         fileName: {
            type: DataTypes.TEXT,
            allowNull: false,
            field: 'file_name',
            comment: '原始文件名',
         },
         fileFormat: {
            type: DataTypes.STRING(32),
            allowNull: true,
            field: 'file_format',
            comment: '文件扩展名',
         },
         mimeType: {
            type: DataTypes.STRING(255),
            allowNull: true,
            field: 'mime_type',
            comment: '文件MIME类型',
         },
         fileSize: {
            type: DataTypes.BIGINT,
            allowNull: true,
            field: 'file_size',
            comment: '文件大小（字节）',
         },
         url: {
            type: DataTypes.TEXT,
            allowNull: false,
            field: 'url',
            comment: '七牛文件链接',
         },
         objectKey: {
            type: DataTypes.TEXT,
            allowNull: true,
            field: 'object_key',
            comment: '七牛对象Key',
         },
         storageProvider: {
            type: DataTypes.STRING(32),
            allowNull: false,
            defaultValue: 'qiniu',
            field: 'storage_provider',
            comment: '存储提供方',
         },
         sha256: {
            type: DataTypes.STRING(64),
            allowNull: false,
            field: 'sha256',
            comment: '文件SHA-256摘要',
         },
         sourceType: {
            type: DataTypes.STRING(32),
            allowNull: false,
            field: 'source_type',
            comment: '资源来源类型',
         },
         sourceUploadId: {
            type: DataTypes.STRING(128),
            allowNull: true,
            field: 'source_upload_id',
            comment: '上传记录ID',
         },
         sourceTaskId: {
            type: DataTypes.STRING(128),
            allowNull: true,
            field: 'source_task_id',
            comment: '来源任务ID',
         },
         sourceSessionId: {
            type: DataTypes.STRING(128),
            allowNull: true,
            field: 'source_session_id',
            comment: '来源会话ID',
         },
         createdAt: {
            type: DataTypes.DATE,
            allowNull: false,
            defaultValue: DataTypes.NOW,
            field: 'created_at',
            comment: '创建时间',
         },
         updatedAt: {
            type: DataTypes.DATE,
            allowNull: false,
            defaultValue: DataTypes.NOW,
            field: 'updated_at',
            comment: '更新时间',
         },
      },
      {
         tableName: 'resource_library_files',
         timestamps: true,
         underscored: true,
         indexes: [
            { unique: true, fields: ['ai_center_user_id', 'sha256'] },
            { fields: ['project_name', 'ai_center_user_id', 'created_at'] },
         ],
      },
   );
   dc.models.ResourceLibraryFile = ResourceLibraryFile;
   return ResourceLibraryFile;
};