/**
 * Form template catalog API — wraps /api/oa/form-templates.
 *
 * The backend stores form/flow schemas as JSON TEXT and parses them back, so a
 * template view here mirrors the frontend engine `FormTemplate` shape
 * ({ id, name, category, org, form, flow, instructions }).
 */
import { http } from './http'
import type { FormTemplate } from '../engine/types'

/** Template view as returned by the backend (adds builtin/publishedAt). */
export type ApiTemplate = FormTemplate & { builtin?: boolean; publishedAt?: string | null }

/** GET /form-templates[?category=] */
export function listTemplates(category?: string): Promise<ApiTemplate[]> {
  return http.get<ApiTemplate[]>('/form-templates', category ? { category } : undefined)
}

/** GET /form-templates/{id} */
export function getTemplate(id: string): Promise<ApiTemplate> {
  return http.get<ApiTemplate>(`/form-templates/${encodeURIComponent(id)}`)
}

/** POST /form-templates — publish a template authored in the low-code designer. */
export function createTemplate(input: {
  id?: string
  name: string
  category?: string
  org?: string
  form: FormTemplate['form']
  flow: FormTemplate['flow']
  instructions?: string
}): Promise<ApiTemplate> {
  return http.post<ApiTemplate>('/form-templates', input)
}

/**
 * PUT /form-templates/{id}/enabled — 启停模板（流程中心「停用/启用」）。
 * 传 enabled 直接设为该值；省略则后端翻转当前状态。停用后「新建事项」发起列表会隐藏它。
 */
export function setTemplateEnabled(id: string, enabled?: boolean): Promise<ApiTemplate> {
  return http.put<ApiTemplate>(
    `/form-templates/${encodeURIComponent(id)}/enabled`,
    enabled === undefined ? {} : { enabled }
  )
}