import { $fetch } from 'ofetch'
import { createError, defineEventHandler, getQuery } from 'h3'
import { useRuntimeConfig } from '#imports'
import { getTenantFromContext } from '../../utils/tenant'
import { getTemplateCodeById } from '../../utils/template-map'

/**
 * 获取站点信息
 * GET /api/site/info
 * 代理到 CMS: /cms/cms-website/getSiteInfo
 * 返回站点基础信息 + 导航(topNavs/bottomNavs) + config + setting
 */
export default defineEventHandler(async (event) => {
  const config = useRuntimeConfig()
  const ctx = getTenantFromContext(event, config)
  const query = getQuery(event)
  const modulesApiBase = config.public.modulesApiBase as string

  try {
    const res = await $fetch('/cms/cms-website/getSiteInfo', {
      baseURL: modulesApiBase,
      headers: {
        TenantId: ctx.tenantId
      },
      query
    })

    // 回填模板标识 templateCode（与 SSR 中间件 tenant.ts 保持一致的口径）：
    // 上游只返回 templateId 主键，而主键存在跳号错位风险，前端需按 code 解析模板目录。
    const payload = (res as { data?: Record<string, unknown> })?.data ?? (res as Record<string, unknown>)
    if (payload && typeof payload === 'object' && !payload.templateCode && payload.templateId) {
      const code = await getTemplateCodeById(payload.templateId as number, config)
      if (code) payload.templateCode = code
    }

    return res
  } catch (error: any) {
    throw createError({
      statusCode: error?.statusCode || error?.response?.status || 502,
      statusMessage: error?.statusMessage || 'Failed to fetch site info'
    })
  }
})