import { eq } from 'drizzle-orm'
import { db } from '~/drizzle/db'
import { changelogEntries } from '~/drizzle/schema'

export default defineEventHandler(async (event) => {
  const user = event.context.user

  if (!user) {
    throw createError({ statusCode: 401, message: '未授权访问' })
  }

  if (!['ADMIN', 'SUPER_ADMIN'].includes(user.role)) {
    throw createError({ statusCode: 403, message: '只有管理员才能更新更新日志' })
  }

  const id = Number(getRouterParam(event, 'id'))
  if (!Number.isFinite(id) || id <= 0) {
    throw createError({ statusCode: 400, message: '无效的 id' })
  }

  const body = await readBody(event)
  const updateData: any = { updatedAt: new Date() }

  if (body?.version !== undefined) {
    if (body.version !== null && typeof body.version !== 'string') {
      throw createError({ statusCode: 400, message: 'version 必须是字符串' })
    }
    updateData.version = (body.version || '').trim()
  }

  if (body?.title !== undefined) {
    if (body.title !== null && typeof body.title !== 'string') {
      throw createError({ statusCode: 400, message: 'title 必须是字符串' })
    }
    updateData.title = (body.title || '').trim()
  }

  if (body?.content !== undefined) {
    if (body.content !== null && typeof body.content !== 'string') {
      throw createError({ statusCode: 400, message: 'content 必须是字符串' })
    }
    updateData.content = (body.content || '').trim()
  }

  if (body?.published !== undefined) {
    if (typeof body.published !== 'boolean') {
      throw createError({ statusCode: 400, message: 'published 必须是布尔值' })
    }
    updateData.published = body.published
    updateData.publishedAt = body.published ? new Date() : null
  }

  if (Object.keys(updateData).length <= 1) {
    throw createError({ statusCode: 400, message: '没有可更新的字段' })
  }

  const rows = await db
    .update(changelogEntries)
    .set(updateData)
    .where(eq(changelogEntries.id, id))
    .returning()

  if (!rows[0]) {
    throw createError({ statusCode: 404, message: '更新日志不存在' })
  }

  return rows[0]
})