const { serverType, ArtConnSettings, aquaSrvDir } = require('./config.json');
const sqlite3 = require('sqlite3').verbose();
var db = undefined;
if (serverType === 0) {
 db = new sqlite3.Database(aquaSrvDir + '\\db.sqlite');
}
const mysql = require('mysql');
//var con = mysql.createConnection(ArtConnSettings);
var pool  = mysql.createPool(ArtConnSettings);
if (serverType === 1) {
  function establishConnection() {
    return new Promise((resolve, reject) => {
  pool.getConnection(function(err, con) {
    if (err) console.error("ERR: You lost a connection.\n" + err ); // not connected!
    resolve(con);
  });
});
}
}

// index.js route '/'
async function getUserCount() {
  if (serverType === 0) {
    return new Promise((resolve, reject) => {
      db.all('SELECT * FROM sega_card', (err, rows) => {
        if (err) {
          console.error(err);
          res.render('error', { error: err });
          reject(err)
        } else {
          resolve(rows.length)
        }
      });
    });
  } else {
    var con = await establishConnection();
    return new Promise((resolve, reject) => {
      con.query("SELECT * FROM aime.mai2_profile_detail", function (err, result, fields) {
        if (err) {
          reject(err)
          throw err
        };
        con.release();
        resolve(JSON.parse(JSON.stringify(result)).length);
      });
    });
  }
}
// index.js & api.js /getUserData/
async function getUserData(req) {
  if (serverType === 0) {
    return new Promise((resolve, reject) => {
      const cookies = req.cookies
      db.all('SELECT * FROM maimai2_user_detail', (err, rows) => {
        if (err) {
          console.error(err);
          // Return a Failed Message.
          reject(err)
        } else {
          // Make the Request easier to get to.
          var mUser = undefined // Leave the Matched User undefined until the user is found.
          for (user of rows) { // For Each User in Rows
            if (cookies.aime_card_id === user.aime_card_id.toString()) { // If the Access Code for the card is in the system,
              mUser = user; // set the Matched User Variable to the User, and break the for Loop.
              break;
            }
          }
          if (mUser) {
            // Return a Response with the whole identifiable user data. the EXT_ID will be used later to identify images and other things and match them to the user's profile.
            resolve(mUser);
          } else {
            reject(new Error('User not found'));
          }
        }
      });
    }); // function is required to obtain the User Data, and create the user profile. I'm going to bed.
  } else { // 07-23 oh god im going to have to recreate this function again aren't i
    var con = await establishConnection();
    return new Promise((resolve, reject) => {
      con.query("SELECT * FROM aime.mai2_profile_detail", function (err, result, fields) {
        if (err) {
          reject(err)
          throw err
        };
        
        // Make the Request easier to get to.
      const cookies = req.cookies
        var mUser = undefined // Leave the Matched User undefined until the user is found.
        for (user of result) { // For Each User in Rows
          if (cookies.aime_card_id === user.user.toString()) { // If the Access Code for the card is in the system,
            mUser = user; // set the Matched User Variable to the User, and break the for Loop.
            break;
          }
        }
        if (mUser) {
          // Return a Response with the whole identifiable user data. the EXT_ID will be used later to identify images and other things and match them to the user's profile.
          con.release();
          resolve(mUser);
        } else {
          reject(new Error('User not found'));
        }
      })
    });
  };
}


// api.js /getExtId/
async function getExtId(req) {
  if (serverType === 0) {
    return new Promise((resolve, reject) => {
      db.all('SELECT * FROM sega_card', (err, rows) => {
        if (err) {
          console.error(err);
          // Return a Failed Message.
          reject(err)
        } else {
          // Make the Request easier to get to.
          var request = req.body;
          var mUser = undefined // Leave the Matched User undefined until the user is found.
          for (user of rows) { // For Each User in Rows
            if (request.input === user.luid) { // If the Access Code for the card is in the system,
              mUser = user; // set the Matched User Variable to the User, and break the for Loop.
              break
            }
          }
          // Return a Response with the whole identifiable user data. the EXT_ID will be used later to identify images and other things and match them to the user's profile.
          resolve(mUser)
        }
      });
    });
  } else {
    var con = await establishConnection();
    return new Promise((resolve, reject) => {
      con.query("SELECT * FROM aime.aime_card", function (err, result, fields) {
        if (err) {
          reject(err)
          throw err
        };
        // Make the Request easier to get to.
        var request = req.body;
        var mUser = undefined // Leave the Matched User undefined until the user is found.
        for (user of result) { // For Each User in Rows
          if (request.input === user.access_code) { // If the Access Code for the card is in the system,
            mUser = user; // set the Matched User Variable to the User, and break the for Loop.
            break;
          }
        }
        if (mUser) {
          // Return a Response with the whole identifiable user data. the EXT_ID will be used later to identify images and other things and match them to the user's profile.
          con.release();
          resolve(mUser);
        } else {
          reject(new Error('User not found'));
        }
      })
    });
  }
}

// api /getUserScores/
async function getUserScores(req) {
  if (serverType === 0) {
    return new Promise((resolve, reject) => {
      db.all('SELECT * FROM maimai2_user_playlog', (err, rows) => {
        if (err) {
          console.error(err);
          reject(err)
          // Return a Failed Message.
        } else {
          // Make the Request easier to get to.
          var request = req.body;
          var mUser = new Array(); // Leave the Matched User's Scores undefined until the user is found.
          for (score of rows) { // For Each Score in Rows
            if (request.input == score.user_id) { // If the inputed User ID and Score's User ID Matches,
              mUser.push(score) // add that score into the array.
            }
          }
          // Return a Response with all the Scores listed under that user.
          resolve(mUser)
        }
      });
    });
  } else {
    var con = await establishConnection();
    return new Promise((resolve, reject) => {
      con.query("SELECT * FROM aime.mai2_playlog", function (err, result, fields) {
        if (err) {
          reject(err)
          throw err
        };
        
        // Make the Request easier to get to.
      const cookies = req.cookies
        var mUser = undefined // Leave the Matched User undefined until the user is found.
        // Make the Request easier to get to.
        var request = req.body;
        var mUser = new Array(); // Leave the Matched User's Scores undefined until the user is found.
        for (score of result) { // For Each Score in Rows
          if (request.input == score.user) { // If the inputed User ID and Score's User ID Matches,
            mUser.push(score) // add that score into the array.
          }
        }
        // Return a Response with all the Scores listed under that user.
        con.release();
        resolve(mUser);
      })
    });
  }
}

// api /getUserArea/
async function getUserArea(req) {
  if (serverType === 0) {
    return new Promise((resolve, reject) => {
      db.all('SELECT * FROM maimai2_user_map', (err, rows) => {
        if (err) {
          console.error(err);
          // Return a Failed Message.
          reject(err)
        } else {
          // Make the Request easier to get to.
          var request = req.body;
          var mUser = new Array(); // Leave the Matched User's Areas undefined until the user is found.
          for (map of rows) { // For Each Area in Rows
            if (request.input == map.user_id) { // If the inputed User ID and Score's User ID Matches,
              mUser.push(map) // add that Area into the array.
            }
          }
          // Return a Response with all the Areas listed under that user.
          resolve(mUser)
        }
      });
    });
  } else {
    var con = await establishConnection();
    return new Promise((resolve, reject) => {
      con.query("SELECT * FROM aime.mai2_item_map", function (err, result, fields) {
        if (err) {
          reject(err)
          throw err
        };
        
        // Make the Request easier to get to.
      const cookies = req.cookies
        var mUser = undefined // Leave the Matched User undefined until the user is found.
        // Make the Request easier to get to.
        var request = req.body;
        var mUser = new Array(); // Leave the Matched User's Scores undefined until the user is found.
        for (score of result) { // For Each Score in Rows
          console.log(request.input)
          if (request.input == score.user) { // If the inputed User ID and Score's User ID Matches,
            mUser.push(score) // add that score into the array.
          }
        }
        // Return a Response with all the Scores listed under that user.
        con.release();
        resolve(mUser)
      })
    });
  }
}

/* side note: User Banned & User Unbanned should be tied into 1 commnand that toggles it but maybe not, i dont really know */

// api /getUserBanned/
async function getUserBanned(req) {
  if (serverType === 0) {
    return new Promise((resolve, reject) => {
      var request = req.body;
      if (request.input === undefined) {
        return reject('Failed to update user ban state, insufficent paramaters');
      }
      db.run('UPDATE maimai2_user_detail SET ban_state = ? WHERE id = ?', [2, request.input], function (err) {
        if (err) {
          console.error(err.message);
          reject({ "status": "failure", "message": "Unable to ban user, see reason", "reason": err });
        } else {
          resolve({ "status": "Success", "message": `User ${request.input} banned.` })
        }
      });
    });
  } else {
    var con = await establishConnection();
    return new Promise((resolve, reject) => {
      var request = req.body;
      con.query(`UPDATE aime.mai2_profile_detail SET banState = 2 WHERE user = ${request.input}`, function (err, result, fields) {
        if (err) {
          reject({ "status": "failure", "message": "Unable to ban user, see reason", "reason": err })
          throw err
        };
        con.release();
        resolve({ "status": "Success", "message": `User ${request.input} banned.` })
      })
    });
  }
}

// api /getUserUnbanned/
async function getUserUnbanned(req) {
  if (serverType === 0) {
    return new Promise((resolve, reject) => {
      var request = req.body;
      if (request.input === undefined) {
        return reject('Failed to update user ban state, insufficent paramaters')
        return
      }
      db.run('UPDATE maimai2_user_detail SET ban_state = ? WHERE id = ?', [0, request.input], function (err) {
        if (err) {
          console.error(err.message);
          reject({ "status": "failure", "message": "Unable to ban user, see reason", "reason": err });
        } else {
          resolve({ "status": "Success", "message": `User ${request.input} banned.` })
        }
      });
    });
  } else {
    var con = await establishConnection();
    return new Promise((resolve, reject) => {
      var request = req.body;
      con.query(`UPDATE aime.mai2_profile_detail SET banState = 0 WHERE user = ${request.input}`, function (err, result, fields) {
        if (err) {
          reject({ "status": "failure", "message": "Unable to ban user, see reason", "reason": err })
          throw err
        };
        con.release();
        resolve({ "status": "Success", "message": `User ${request.input} banned.` })
      })
    });
  }
}

module.exports = { getUserCount, getUserData, getUserScores, getUserArea, getUserBanned, getUserUnbanned, getExtId };