// Portiert aus bleeter/server/permissions.lua + main.lua

// Wer darf in welchem Feed posten (feed_type: 'home' | 'advertising')
const feedPostRights = {
    private:        { home: true },
    small_business: { advertising: true },
    company:        { advertising: true },
    authority:      { home: true, advertising: true },
    lifeinvader:    {},
};

function canPost(profileType, feedType) {
    const rights = feedPostRights[profileType || ''] || {};
    return rights[feedType || ''] === true;
}

function decodeBool(v) {
    return v === true || v === 1 || v === '1';
}

// Behoerden / Lifeinvader / Staff koennen nicht blockiert werden
function canProfileBeBlocked(profileType, isLifeinvaderStaff) {
    return profileType !== 'authority'
        && profileType !== 'lifeinvader'
        && !decodeBool(isLifeinvaderStaff);
}

// Lifeinvader-Moderationsrechte eines Charakters (char_id) aus DB
async function hasLifeinvaderPermission(db, charId, permission) {
    if (!charId) return false;
    const row = await db.q1(
        `SELECT allowed FROM bleeter_lifeinvader_permissions
         WHERE char_id = ? AND permission = ? LIMIT 1`,
        [charId, permission]
    );
    return !!(row && decodeBool(row.allowed));
}

module.exports = { feedPostRights, canPost, decodeBool, canProfileBeBlocked, hasLifeinvaderPermission };