'use strict'

const { COLLECTIONS, CHANNEL_TYPES } = require('pearcord-shared')

const threadsForumMixin = {
  _threadHealWatermark: null,
  _forumHealWatermark: null,

  async _healForumTagPaletteOnPartition (guildId) {
    const gid = guildId || this.guild?.guild?.id || null
    const span = this.log.time('forum.heal', { spanKind: 'forum.heal', guildId: gid })
    try {
      if (!gid || !this.guild?.listChannels) {
        span.end({ relisted: 0, skipped: true })
        return { relisted: 0, skipped: true }
      }
      const channels = await this.guild.listChannels().catch(() => [])
      let relisted = 0
      for (const ch of channels) {
        if (ch.type !== CHANNEL_TYPES.FORUM) continue
        if (this.forum?.parsePaletteFromTopic) {
          const tags = this.forum.parsePaletteFromTopic(ch.topic)
          if (tags?.length) relisted += 1
        }
      }
      const watermark = Date.now()
      this._forumHealWatermark = watermark
      span.end({ relisted, watermark, forumPostCount: relisted })
      return { relisted, watermark }
    } catch (err) {
      this.log.error('forum.heal error', { guildId: gid, error: err?.message || String(err) })
      span.fail(err)
      return { relisted: 0, error: err?.message || String(err) }
    }
  },

  listGuildThreadChannels (guildId) {
    const gid = guildId || this.guild?.guild?.id || null
    if (!gid) return []
    const channels = this._lastViewChannelsCache || []
    return channels.filter((c) => c.type === CHANNEL_TYPES.THREAD && c.guildId === gid)
  }
}

module.exports = { threadsForumMixin }