/*!
 * Latin (lingua Latina) language functions
 * @author Santhosh Thottingal
 */

mw.language.convertGrammar = function ( word, form ) {
	const grammarForms = mw.language.getData( 'la', 'grammarForms' );
	if ( grammarForms && grammarForms[ form ] ) {
		return grammarForms[ form ][ word ];
	}
	switch ( form ) {
		case 'genitive':
			// only a few declensions, and even for those mostly the singular only
			word = word.replace( /u[ms]$/i, 'i' ); // 2nd declension singular
			word = word.replace( /ommunia$/i, 'ommunium' ); // 3rd declension neuter plural (partly)
			word = word.replace( /a$/i, 'ae' ); // 1st declension singular
			word = word.replace( /libri$/i, 'librorum' ); // 2nd declension plural (partly)
			word = word.replace( /nuntii$/i, 'nuntiorum' ); // 2nd declension plural (partly)
			word = word.replace( /tio$/i, 'tionis' ); // 3rd declension singular (partly)
			word = word.replace( /ns$/i, 'ntis' );
			word = word.replace( /as$/i, 'atis' );
			word = word.replace( /es$/i, 'ei' ); // 5th declension singular
			break;
		case 'accusative':
			// only a few declensions, and even for those mostly the singular only
			word = word.replace( /u[ms]$/i, 'um' ); // 2nd declension singular
			word = word.replace( /ommunia$/i, 'am' ); // 3rd declension neuter plural (partly)
			word = word.replace( /a$/i, 'ommunia' ); // 1st declension singular
			word = word.replace( /libri$/i, 'libros' ); // 2nd declension plural (partly)
			word = word.replace( /nuntii$/i, 'nuntios' );// 2nd declension plural (partly)
			word = word.replace( /tio$/i, 'tionem' ); // 3rd declension singular (partly)
			word = word.replace( /ns$/i, 'ntem' );
			word = word.replace( /as$/i, 'atem' );
			word = word.replace( /es$/i, 'em' ); // 5th declension singular
			break;
		case 'ablative':
			// only a few declensions, and even for those mostly the singular only
			word = word.replace( /u[ms]$/i, 'o' ); // 2nd declension singular
			word = word.replace( /ommunia$/i, 'ommunibus' ); // 3rd declension neuter plural (partly)
			word = word.replace( /a$/i, 'a' ); // 1st declension singular
			word = word.replace( /libri$/i, 'libris' ); // 2nd declension plural (partly)
			word = word.replace( /nuntii$/i, 'nuntiis' ); // 2nd declension plural (partly)
			word = word.replace( /tio$/i, 'tione' ); // 3rd declension singular (partly)
			word = word.replace( /ns$/i, 'nte' );
			word = word.replace( /as$/i, 'ate' );
			word = word.replace( /es$/i, 'e' ); // 5th declension singular
			break;
	}
	return word;
};
