import router from "../router";
import sql from "../sql";
import cfg from "../../../config.json";

import { mimes, queries } from "./inc/api";

router.get(/^\/api$/, (req, res) => {
  res.end("api lol");
});

router.get(/^\/api\/random(\/user\/.+|\/image|\/video|\/audio|\/)?$/, async (req, res) => {
  const db = await sql;
  let q = queries.random.main;
  let args = [];
  
  res.writeHead(200, { 'Content-Type': 'text/html' });

  if(req.url.split[2] === "user") {
    q += queries.random.where("username like ?");
    args.push(req.url.split[3] || "flummi");
  }
  else
    q += queries.random.where(mimes[req.url.split[2]] ? mimes[req.url.split[2]].map(mime => `mime = "${mime}"`).join(" or ") : null);

  db.query(q, args)
    .then(rows => {
      res.end(JSON.stringify(rows.length > 0 ? rows[0] : []), 'utf-8');
    }).catch(err => res.end(JSON.stringify( err ), 'utf-8'));
});

router.get(/^\/api\/p(\/[0-9]+|\/)?(\/[0-9]+)?\/?$/, async (req, res) => {
  const db = await sql;
  const id = parseInt(req.url.split[2]) || 99999999;
  const eps = Math.min(parseInt(req.url.split[3]) || 100, 200);
  db.query("select * from f0ck.items where id < ? order by id desc limit ?", [id, eps])
    .then(rows => {
      let items = {
        "items": [],
        "last": id
      };
      rows.forEach((e,i,a) => {
        items.items.push({
          "id": e.id,
          "mime": e.mime
        });
        items.last = e.id;
      });
      res.writeHead(200, { 'Content-Type': 'text/html' });
      res.end(JSON.stringify(items), 'utf-8');
    }).catch(err => res.end(JSON.stringify( err ), 'utf-8'));
});

router.get(/^\/api\/item\/[0-9]+$/, async (req, res) => {
  const db = await sql;
  db.query(queries.item, Array(3).fill(req.url.split[2]))
    .then(rows => {
      const data = rows[0].length > 0 ? {
        ...rows[0][0], ...{
          thumb: `${cfg.main.url}/t/${rows[0][0].id}.png`,
          next: rows[1].length ? rows[1][0].id : null,
          prev: rows[2].length ? rows[2][0].id : null,
        }
      } : {
        error: true
      };
      res.writeHead(200, { 'Content-Type': 'text/html' });
      res.end(JSON.stringify(data), 'utf-8');
    }).catch(err => res.end(JSON.stringify( err ), 'utf-8'));
});

router.get(/^\/api\/user\/.*(\/[0-9]+)?$/, async (req, res) => {
  const db = await sql;
  const user = req.url.split[2];
  const eps = Math.min(req.url.split[3] || 50, 50);
  db.query(queries.user, [ user, eps ])
    .then(rows => {
      res.end(JSON.stringify(rows.length > 0 ? rows : []), 'utf-8');
    }).catch(err => res.end(JSON.stringify( err ), 'utf-8'));
});