import { db } from '~/drizzle/db'
import { songComments } 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' })
  }

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

  const body = await readBody(event)
  const content = typeof body?.content === 'string' ? body.content.trim() : ''

  if (!content) {
    throw createError({ statusCode: 400, message: '评论内容不能为空' })
  }
  if (content.length > 300) {
    throw createError({ statusCode: 400, message: '评论内容最多 300 字' })
  }

  const rows = await db
    .insert(songComments)
    .values({
      songId,
      userId: user.id,
      content
    })
    .returning()

  return rows[0]
})