/**
 * 代码生成数据转换工具
 * 确保三种模式输出统一的数据格式
 */

export interface FieldType {
  name: string;
  type: string;
  type_length: string;
  default: string;
  comment: string;
  not_null: boolean;
  formShow: boolean;
  tableShow: boolean;
  formType: string;
  search: boolean;
  searchValue: string;
}

export interface CodeGenData {
  class_name: string;
  class_comment: string;
  icon: string;
  sort: number;
  pid: number;
  field: FieldType[];
}

/**
 * 默认字段结构
 */
const createDefaultField = (): FieldType => ({
  name: '',
  type: 'varchar',
  type_length: '',
  default: '',
  comment: '',
  not_null: true,
  formShow: true,
  tableShow: true,
  formType: 'VbenInput',
  search: true,
  searchValue: '=',
});

/**
 * JSON模式数据转换
 */
export function transformJsonToStandard(json: any): CodeGenData {
  // 如果JSON包含完整结构，直接使用
  if (json.class_name && json.field) {
    return {
      class_name: json.class_name || '',
      class_comment: json.class_comment || '',
      icon: json.icon || '',
      sort: json.sort ?? 9999,
      pid: json.pid ?? 0,
      field: Array.isArray(json.field)
        ? json.field.map((f: any) => ({
            name: f.name || '',
            type: f.type || 'varchar',
            type_length: f.type_length || '',
            default: f.default || '',
            comment: f.comment || '',
            not_null: f.not_null !== undefined ? f.not_null : true,
            formShow: f.formShow !== undefined ? f.formShow : true,
            tableShow: f.tableShow !== undefined ? f.tableShow : true,
            formType: f.formType || 'VbenInput',
            search: f.search !== undefined ? f.search : true,
            searchValue: f.searchValue || '=',
          }))
        : [],
    };
  }

  // 如果只有字段数组，需要用户补充基础信息
  if (Array.isArray(json)) {
    return {
      class_name: '',
      class_comment: '',
      icon: '',
      sort: 9999,
      pid: 0,
      field: json.map((f: any) => ({
        name: f.name || '',
        type: f.type || 'varchar',
        type_length: f.type_length || '',
        default: f.default || '',
        comment: f.comment || '',
        not_null: f.not_null !== undefined ? f.not_null : true,
        formShow: f.formShow !== undefined ? f.formShow : true,
        tableShow: f.tableShow !== undefined ? f.tableShow : true,
        formType: f.formType || 'VbenInput',
        search: f.search !== undefined ? f.search : true,
        searchValue: f.searchValue || '=',
      })),
    };
  }

  // 默认返回空结构
  return {
    class_name: '',
    class_comment: '',
    icon: '',
    sort: 9999,
    pid: 0,
    field: [createDefaultField()],
  };
}

/**
 * 手动模式数据转换
 */
export function transformManualToStandard(
  formData: Record<string, any>,
  fields: FieldType[],
): CodeGenData {
  return {
    class_name: formData.class_name || '',
    class_comment: formData.class_comment || '',
    icon: formData.icon || '',
    sort: formData.sort ?? 9999,
    pid: formData.pid ?? 0,
    field: Array.isArray(fields) ? fields : [],
  };
}

/**
 * AI模式数据转换
 */
export function transformAiToStandard(aiData: any): CodeGenData {
  // AI返回完整表单数据
  if (aiData && aiData.class_name) {
    return {
      class_name: aiData.class_name || '',
      class_comment: aiData.class_comment || '',
      icon: aiData.icon || '',
      sort: aiData.sort ?? 9999,
      pid: aiData.pid ?? 0,
      field: Array.isArray(aiData.field)
        ? aiData.field.map((f: any) => ({
            name: f.name || '',
            type: f.type || 'varchar',
            type_length: f.type_length || '',
            default: f.default || '',
            comment: f.comment || '',
            not_null: f.not_null !== undefined ? f.not_null : true,
            formShow: f.formShow !== undefined ? f.formShow : true,
            tableShow: f.tableShow !== undefined ? f.tableShow : true,
            formType: f.formType || 'VbenInput',
            search: f.search !== undefined ? f.search : true,
            searchValue: f.searchValue || '=',
          }))
        : [],
    };
  }

  // 默认返回空结构
  return {
    class_name: '',
    class_comment: '',
    icon: '',
    sort: 9999,
    pid: 0,
    field: [createDefaultField()],
  };
}

/**
 * 数据验证
 */
export function validateData(data: CodeGenData): {
  valid: boolean;
  message?: string;
} {
  if (!data.class_name || !data.class_name.trim()) {
    return { valid: false, message: '类名不能为空' };
  }

  if (!data.class_comment || !data.class_comment.trim()) {
    return { valid: false, message: '中文名称不能为空' };
  }

  if (!data.icon || !data.icon.trim()) {
    return { valid: false, message: '菜单图标不能为空' };
  }

  if (!Array.isArray(data.field) || data.field.length === 0) {
    return { valid: false, message: '至少需要一个字段' };
  }

  // 验证字段
  for (const field of data.field) {
    if (!field.name || !field.name.trim()) {
      return { valid: false, message: '字段名不能为空' };
    }
  }

  return { valid: true };
}