import {
  FEED_COMMENT_LEVEL,
  normalizeDirectFeedReplies,
  normalizeFamilyFeed,
  normalizeFamilyFeedRecommendations,
  normalizeFamilyFeedRows,
  normalizeFeedCommentPayload,
  normalizeFeedComments,
  normalizeFeedCreatePayload,
  normalizeFeedResourceId
} from './family-feed-contract.js'
import { normalizeGenealogyPathId } from './genealogy-contract.js'
import { normalizeResourcePathId } from './request-normalizers.js'
import { createRequestError, requestStrict } from './request-client.js'

const normalizePageQuery = (pageNum, pageSize, label) => {
  if (!Number.isSafeInteger(pageNum) || pageNum < 1 || !Number.isSafeInteger(pageSize) || pageSize < 1) {
    throw new TypeError(`${label}分页参数无效`)
  }
  return { pageNum, pageSize }
}

const assertPageResponse = (page, label) => {
  if (!page || typeof page !== 'object' || !Array.isArray(page.rows) || !Number.isSafeInteger(page.total)) {
    throw createRequestError(`${label}分页响应无效`, 'PAGE_RESPONSE_INVALID')
  }
}

export const familyFeedApi = {
  async createFeedComment(genealogyId, feedId, payload, requestOptions = {}) {
    const normalizedGenealogyId = normalizeGenealogyPathId(genealogyId)
    const normalizedFeedId = normalizeFeedResourceId(feedId, '动态标识')
    return requestStrict({
      url: `/genealogy/app/genealogies/${normalizedGenealogyId}/feeds/${normalizedFeedId}/comments`,
      method: 'POST',
      data: normalizeFeedCommentPayload(payload)
    }, {
      requestController: requestOptions.requestController ?? null
    })
  },

  async getFeedRecommendations(genealogyId, requestOptions = {}) {
    const normalizedGenealogyId = normalizeGenealogyPathId(genealogyId)
    const recommendations = await requestStrict({
      url: `/genealogy/app/genealogies/${normalizedGenealogyId}/feed-recommendations`,
      method: 'GET'
    }, {
      requestController: requestOptions.requestController ?? null
    })
    return normalizeFamilyFeedRecommendations(recommendations, normalizedGenealogyId)
  },

  async getFeedDetail(genealogyId, feedId, requestOptions = {}) {
    const normalizedGenealogyId = normalizeGenealogyPathId(genealogyId)
    const normalizedFeedId = normalizeFeedResourceId(feedId, '动态标识')
    const feed = await requestStrict({
      url: `/genealogy/app/genealogies/${normalizedGenealogyId}/feeds/${normalizedFeedId}`,
      method: 'GET'
    }, {
      requestController: requestOptions.requestController ?? null
    })
    return normalizeFamilyFeed(feed, normalizedGenealogyId, normalizedFeedId)
  },

  async updateFeed(genealogyId, feedId, payload, requestOptions = {}) {
    const normalizedGenealogyId = normalizeGenealogyPathId(genealogyId)
    const normalizedFeedId = normalizeFeedResourceId(feedId, '动态标识')
    const feed = await requestStrict({
      url: `/genealogy/app/genealogies/${normalizedGenealogyId}/feeds/${normalizedFeedId}`,
      method: 'PUT',
      data: normalizeFeedCreatePayload(payload)
    }, {
      requestController: requestOptions.requestController ?? null
    })
    return normalizeFamilyFeed(feed, normalizedGenealogyId, normalizedFeedId)
  },

  async deleteFeed(genealogyId, feedId, requestOptions = {}) {
    const normalizedGenealogyId = normalizeGenealogyPathId(genealogyId)
    const normalizedFeedId = normalizeFeedResourceId(feedId, '动态标识')
    await requestStrict({
      url: `/genealogy/app/genealogies/${normalizedGenealogyId}/feeds/${normalizedFeedId}`,
      method: 'DELETE'
    }, {
      requireData: false,
      requestController: requestOptions.requestController ?? null
    })
    return null
  },

  async setFeedLike(genealogyId, feedId, liked, requestOptions = {}) {
    const normalizedGenealogyId = normalizeGenealogyPathId(genealogyId)
    const normalizedFeedId = normalizeFeedResourceId(feedId, '动态标识')
    if (typeof liked !== 'boolean') throw new TypeError('动态点赞状态必须是布尔值')
    await requestStrict({
      url: `/genealogy/app/genealogies/${normalizedGenealogyId}/feeds/${normalizedFeedId}/likes`,
      method: liked ? 'POST' : 'DELETE'
    }, {
      requireData: false,
      requestController: requestOptions.requestController ?? null
    })
    return null
  },

  async createFeed(genealogyId, payload, requestOptions = {}) {
    const normalizedGenealogyId = normalizeGenealogyPathId(genealogyId)
    const createdFeed = await requestStrict({
      url: `/genealogy/app/genealogies/${normalizedGenealogyId}/feeds`,
      method: 'POST',
      data: normalizeFeedCreatePayload(payload)
    }, {
      requestController: requestOptions.requestController ?? null
    })
    return normalizeFamilyFeedRows([createdFeed], normalizedGenealogyId)[0]
  },

  async getFeedPage(genealogyId, { pageNum = 1, pageSize = 20 } = {}, requestOptions = {}) {
    const normalizedGenealogyId = normalizeGenealogyPathId(genealogyId)
    const pageQuery = normalizePageQuery(pageNum, pageSize, '动态')
    const feedPage = await requestStrict({
      url: `/genealogy/app/genealogies/${normalizedGenealogyId}/feeds/page`,
      method: 'GET',
      data: pageQuery
    }, {
      requireData: false,
      requestController: requestOptions.requestController ?? null
    })
    assertPageResponse(feedPage, '动态')
    return {
      rows: normalizeFamilyFeedRows(feedPage.rows, normalizedGenealogyId),
      total: feedPage.total
    }
  },

  async getFeedCommentPage(genealogyId, feedId, { pageNum = 1, pageSize = 20 } = {}, requestOptions = {}) {
    const normalizedGenealogyId = normalizeGenealogyPathId(genealogyId)
    const normalizedFeedId = normalizeResourcePathId(feedId, '动态标识')
    const pageQuery = normalizePageQuery(pageNum, pageSize, '评论')
    const commentPage = await requestStrict({
      url: `/genealogy/app/genealogies/${normalizedGenealogyId}/feeds/${normalizedFeedId}/comments/page`,
      method: 'GET',
      data: pageQuery
    }, {
      requireData: false,
      requestController: requestOptions.requestController ?? null
    })
    assertPageResponse(commentPage, '动态评论')
    return {
      rows: normalizeFeedComments(
        commentPage.rows,
        normalizedGenealogyId,
        normalizedFeedId,
        FEED_COMMENT_LEVEL.ROOT
      ),
      total: commentPage.total
    }
  },

  async getCommentReplyPage(genealogyId, feedId, commentId, { pageNum = 1, pageSize = 20 } = {}, requestOptions = {}) {
    const normalizedGenealogyId = normalizeGenealogyPathId(genealogyId)
    const normalizedFeedId = normalizeResourcePathId(feedId, '动态标识')
    const normalizedCommentId = normalizeResourcePathId(commentId, '评论标识')
    const pageQuery = normalizePageQuery(pageNum, pageSize, '回复')
    const replyPage = await requestStrict({
      url: `/genealogy/app/genealogies/${normalizedGenealogyId}/feeds/${normalizedFeedId}/comments/${normalizedCommentId}/replies/page`,
      method: 'GET',
      data: pageQuery
    }, {
      requireData: false,
      requestController: requestOptions.requestController ?? null
    })
    assertPageResponse(replyPage, '评论回复')
    return {
      rows: normalizeDirectFeedReplies(
        replyPage.rows,
        normalizedGenealogyId,
        normalizedFeedId,
        normalizedCommentId
      ),
      total: replyPage.total
    }
  },

  async deleteFeedComment(genealogyId, feedId, commentId, requestOptions = {}) {
    const normalizedGenealogyId = normalizeGenealogyPathId(genealogyId)
    const normalizedFeedId = normalizeResourcePathId(feedId, '动态标识')
    const normalizedCommentId = normalizeResourcePathId(commentId, '评论标识')
    await requestStrict({
      url: `/genealogy/app/genealogies/${normalizedGenealogyId}/feeds/${normalizedFeedId}/comments/${normalizedCommentId}`,
      method: 'DELETE'
    }, {
      requireData: false,
      requestController: requestOptions.requestController ?? null
    })
    return null
  }
}