import type { Emitter, EmitterContext, GeneratedFile, ApiSpec, Model, Enum, Service } from '@workos/oagen';
import { generateModels } from './generators/models.js';
import { generateEnums } from './generators/enums.js';
import { generateResources } from './generators/resources.js';
import { generateClient } from './generators/client.js';
import { generateErrors } from './generators/errors.js';
import { generateTests } from './generators/tests.js';

/**
 * Reference TypeScript emitter for oagen.
 *
 * This emitter demonstrates how to implement the Emitter interface by
 * generating TypeScript interfaces, literal union types, resource classes,
 * and a top-level client. It is intentionally simple — production emitters
 * typically handle overlay resolution, compat-aware naming, and merge modes.
 */
export const typescriptEmitter: Emitter = {
  language: 'typescript',

  generateModels(models: Model[], ctx: EmitterContext): GeneratedFile[] {
    return generateModels(models, ctx);
  },

  generateEnums(enums: Enum[], ctx: EmitterContext): GeneratedFile[] {
    return generateEnums(enums, ctx);
  },

  generateResources(services: Service[], ctx: EmitterContext): GeneratedFile[] {
    return generateResources(services, ctx);
  },

  generateClient(spec: ApiSpec, ctx: EmitterContext): GeneratedFile[] {
    return generateClient(spec, ctx);
  },

  generateErrors(ctx: EmitterContext): GeneratedFile[] {
    return generateErrors(ctx);
  },

  generateTests(spec: ApiSpec, ctx: EmitterContext): GeneratedFile[] {
    return generateTests(spec, ctx);
  },

  fileHeader(): string {
    return '// Auto-generated by oagen reference emitter. Do not edit.';
  },
};