import { z } from 'zod';

/**
 * Schema for CSV/Excel import configuration.
 */
export const ColumnMappingSchema = z.object({
  sourceColumn: z.string(),
  targetField: z.string(),
  transform: z.enum(['none', 'trim', 'lowercase', 'uppercase', 'date_dmy', 'date_mdy']).default('none'),
});

export type ColumnMapping = z.infer<typeof ColumnMappingSchema>;

export const ImportConfigSchema = z.object({
  moduleId: z.string().uuid(),
  accountId: z.string().uuid(),
  mappings: z.array(ColumnMappingSchema).min(1),
  skipFirstRow: z.boolean().default(true),
  onDuplicate: z.enum(['skip', 'overwrite', 'error']).default('skip'),
  dryRun: z.boolean().default(true),
});

export type ImportConfigInput = z.infer<typeof ImportConfigSchema>;