import Database from 'better-sqlite3';

// Initialisation (crée le fichier s'il n'existe pas)
export const db = new Database('./db.sqlite');

const settingsDefaultValues = {
  quoiAnswerPercentage: 100,
  quoicoubehAnswerPercentage: 100,
  feurAnswerPercentage: 100,
  mentionAnswerPercentage: 100,
  forcedAnswerRoleId: null,
  ignoredRoleId: null,
};

function initDb() {
  // .exec pour les scripts sans paramètres
  db.exec(`
    CREATE TABLE IF NOT EXISTS IgnoredChannels (
      channelId VARCHAR PRIMARY KEY,
      guildId VARCHAR
    );
  `);

  db.exec(`
    CREATE TABLE IF NOT EXISTS Config (
      guildId VARCHAR PRIMARY KEY,
      quoiAnswerPercentage INTEGER NOT NULL DEFAULT ${settingsDefaultValues.quoiAnswerPercentage},
      quoicoubehAnswerPercentage INTEGER NOT NULL DEFAULT ${settingsDefaultValues.quoicoubehAnswerPercentage},
      feurAnswerPercentage INTEGER NOT NULL DEFAULT ${settingsDefaultValues.feurAnswerPercentage},
      mentionAnswerPercentage INTEGER NOT NULL DEFAULT ${settingsDefaultValues.mentionAnswerPercentage},
      forcedAnswerRoleId VARCHAR,
      ignoredRoleId VARCHAR
    );
  `);
}

export function addChannelToIgnoreList(channelId, guildId) {
  return db.prepare(`
    INSERT INTO IgnoredChannels (channelId, guildId)
    VALUES (?, ?)
    ON CONFLICT(channelId) DO NOTHING
  `).run(channelId, guildId);
}

export function getIgnoredChannels(guildId) {
  return db.prepare(`
    SELECT channelId
    FROM IgnoredChannels
    WHERE guildId = ?
  `).all(guildId);
}

export function removeChannelFromIgnoreList(channelId) {
  return db.prepare(`
    DELETE FROM IgnoredChannels
    WHERE channelId = ?
  `).run(channelId);
}

export function setSetting(guildId, setting, value) {
  // ${setting} est injecté directement (nom de colonne)
  return db.prepare(`
    INSERT INTO Config (guildId, ${setting})
    VALUES (?, ?)
    ON CONFLICT(guildId) DO UPDATE SET ${setting} = ?
  `).run(guildId, value, value);
}

export function getSetting(guildId, setting) {
  // .pluck() permet de récupérer directement la valeur au lieu d'un objet { colonne: valeur }
  const result = db.prepare(`
    SELECT ${setting}
    FROM Config
    WHERE guildId = ?
  `).pluck().get(guildId);

  if (result === undefined) {
    return settingsDefaultValues[setting];
  }

  return result;
}

initDb();