const _ = require("lodash");
const resolvePointer = require('./resolvePointer.cjs');

module.exports = (ajv) =>
    ajv.addKeyword({
        keyword: "maxSpells",
        validate: function validate(
            schema,
            data,
            _parent,
            { rootData, instancePath }
        ) {
            if (schema.class.$data) {
                schema.class = resolvePointer(rootData, instancePath, schema.class.$data);
            }

            if( schema.class !== 'magician' && schema.class?.generic !== 'magician' && data.length ) {
                validate.errors = [
                    {
                        message: "non-magician can't have spells",
                    },
                ];
                return false;
            }

            return true;
        },
        $data: true,
        errors: true,
    });