import type { PageTemplateCatalogItem, PageTemplateFavoriteResult, PageTemplatePurchaseResult, RechargeOrder } from '../types';
import { API, ApiError, apiFetch } from './core';

export type TemplateCheckoutResult = {
  ok: boolean;
  order?: RechargeOrder & { skillName?: string; label?: string };
  skillName?: string;
  grantedSkills?: string[];
  balanceCents?: number;
  alreadyOwned?: boolean;
};

export async function getPageTemplateCatalog(): Promise<PageTemplateCatalogItem[]> {
  const result = await apiFetch<{ data?: { items?: PageTemplateCatalogItem[] }; items?: PageTemplateCatalogItem[] }>(
    '/mindspace/v1/template-catalog',
  );
  return result.data?.items ?? result.items ?? [];
}

export async function getMyPageTemplates(): Promise<PageTemplateCatalogItem[]> {
  const result = await apiFetch<{ data?: { items?: PageTemplateCatalogItem[] }; items?: PageTemplateCatalogItem[] }>(
    '/mindspace/v1/template-catalog/mine',
  );
  return result.data?.items ?? result.items ?? [];
}

export async function purchasePageTemplate(skillName: string): Promise<PageTemplatePurchaseResult> {
  try {
    const result = await apiFetch<{ data: PageTemplatePurchaseResult }>(
      `/mindspace/v1/template-catalog/${encodeURIComponent(skillName)}/purchase`,
      { method: 'POST' },
    );
    return result.data;
  } catch (error) {
    if (error instanceof ApiError && error.status === 402) {
      throw error;
    }
    throw error;
  }
}

export async function createTemplateWechatCheckout(
  skillName: string,
  payScene: 'native' | 'h5' | 'jsapi',
): Promise<TemplateCheckoutResult> {
  const result = await apiFetch<{ data: TemplateCheckoutResult }>(
    `/mindspace/v1/template-catalog/${encodeURIComponent(skillName)}/checkout`,
    {
      method: 'POST',
      body: JSON.stringify({ payScene }),
    },
  );
  return result.data;
}

export async function togglePageTemplateFavorite(skillName: string): Promise<PageTemplateFavoriteResult> {
  const result = await apiFetch<{ data: PageTemplateFavoriteResult }>(
    `/mindspace/v1/template-catalog/${encodeURIComponent(skillName)}/favorite`,
    { method: 'POST' },
  );
  return result.data;
}

export function getTemplatePreviewUrl(skillName: string) {
  return `${API}/mindspace/v1/template-catalog/${encodeURIComponent(skillName)}/preview`;
}

export function formatTemplatePrice(cents: number) {
  if (cents <= 0) return '免费';
  return `¥${(cents / 100).toFixed(cents % 100 === 0 ? 0 : 2)}`;
}

export { API, ApiError };