import { parseFiles } from '../file/util.mjs'
import { parseArticles, parseArticle } from './util.mjs'
import { upload } from '../media/upload.mjs'

export default class ArticleRoutes {
  constructor(opts = {}) {
    Object.assign(this, {
      upload: upload,
    })
  }

  /** GET: /api/articles/[path] */
  async getArticle(ctx) {
    let res = await ctx.db.safeCallProc('common.article_get_single', [ctx.params.path])

    let out = {
      article: parseArticle(res.results[0][0]),
      files: parseFiles(res.results[1]),
    }
    
    ctx.body = out
  }

  /** GET: /api/auth/articles */
  async auth_getAllArticles(ctx) {
    let res = await ctx.db.safeCallProc('common.article_auth_get_all', [
      ctx.state.auth_token,
      Math.max(ctx.query.get('page') || 1, 1),
      Math.min(ctx.query.get('per_page') || 10, 25)
    ])

    let out = {
      articles: parseArticles(res.results[0]),
      total_articles: res.results[0][0].total_articles,
    }
    
    ctx.body = out
  }

  async private_getUpdateArticle(ctx, body = null, banner = null, media = null) {
    let params = [
      ctx.state.auth_token,
      ctx.params.path
    ]
    if (body) {
      params = params.concat([
        body.name,
        body.page_id === 'null' ? null : Number(body.page_id),
        body.path,
        body.content,
        new Date(body.publish_at),
        Number(body.admin_id),
        body.is_featured === 'true' ? 1 : 0,
        0,
      ])
      if (banner) {
        params = params.concat([
          banner.filename,
          banner.type,
          banner.path,
          banner.size,
          banner.preview.base64,
          banner.sizes.small.avif.path.replace(/_small\.avif$/, ''),
          JSON.stringify(banner.sizes),
          0,
        ])
      } else {
        params = params.concat([
          null,
          null,
          null,
          null,
          null,
          null,
          null,
          null,
        ])
      }
      if (media) {
        params = params.concat([
          media.filename,
          media.type,
          media.path,
          media.size,
          media.preview.base64,
          media.sizes.small.avif.path.replace(/_small\.avif$/, ''),
          JSON.stringify(media.sizes),
          0,
        ])
      } else {
        params = params.concat([
          null,
          null,
          null,
          null,
          null,
          null,
          null,
          null,
        ])
      }
    }
    console.log(params)
    let res = await ctx.db.safeCallProc('common.article_auth_get_update_create', params)

    let out = {
      article: parseArticle(res.results[0][0]),
      files: parseFiles(res.results[1]),
      staff: res.results[2],
    }

    if (out.article) {
      if (out.article.content[0] === '{') {
        try {
          out.article.content = JSON.parse(out.article.content)
        } catch (err) {
          out.article.content = {
            time: new Date().getTime(),
            blocks: [
              {id: '1', type: 'paragraph', data: { text: 'Error parsing article content: ' + err.message }},
            ],
            version: '2.25.0'
          }
        }
      } else if (out.article.content) {
        out.article.content = {
          time: new Date().getTime(),
          blocks: [
            {id: '1', type: 'htmlraw', data: { html: out.article.content }},
          ],
          version: '2.25.0'
        }
      }
    } else {
      out.article = {
        publish_at: new Date()
      }
    }
    
    ctx.body = out
  }

  
  /** GET: /api/auth/articles/:path */
  auth_getSingleArticle(ctx) {
    return this.private_getUpdateArticle(ctx)
  }

  /** PUT: /api/auth/articles/:path */
  async auth_updateCreateSingleArticle(ctx) {
    console.log(ctx.req.body)

    let newBanner = null
    let newMedia = null

    let promises = []

    if (ctx.req.files.banner) {
      promises.push(
        this.upload(ctx.req.files.banner)
          .then(res => { newBanner = res })
      )
    }
    if (ctx.req.files.media) {
      promises.push(
        this.upload(ctx.req.files.media)
          .then(res => { newMedia = res })
      )
    }

    await Promise.all(promises)

    return this.private_getUpdateArticle(ctx, ctx.req.body, newBanner, newMedia)
  }

  /** DELETE: /api/auth/articles/:path */
  async auth_removeSingleArticle(ctx) {
    let params = [
      ctx.state.auth_token,
      ctx.params.path,
      // Article data
      null,
      null,
      null,
      null,
      null,
      null,
      null,
      1,
      // Banner data
      null,
      null,
      null,
      null,
      null,
      null,
      null,
      1,
      // Media data
      null,
      null,
      null,
      null,
      null,
      null,
      null,
      1,
    ]

    await ctx.db.safeCallProc('article_auth_get_update_create', params)

    ctx.status = 204
  }
}