import {
    Rule,
    SchematicContext,
    Tree
} from '@angular-devkit/schematics';
import { UpdateChanges } from '../common/UpdateChanges';

const version = '6.2.0';

export default (): Rule => async (host: Tree, context: SchematicContext) => {
    context.logger.info(`Applying migration for Ignite UI for Angular to version ${version}`);

    const update = new UpdateChanges(__dirname, host, context);
    update.addCondition('igxIcon_is_material_name', (matchedOwner: string): boolean => {
        if (!matchedOwner) {
            return true;
        }

        const fontSetMatches = matchedOwner.match(new RegExp(`fontSet=(["'])(.+?)${'\\1'}`));
        if (fontSetMatches && fontSetMatches.length > 0) {
            const fontSet = fontSetMatches[fontSetMatches.length - 1];
            return fontSet === 'material' || fontSet === 'material-icons';
        }

        return true;
    });
    update.applyChanges();
};