import DataTable from 'cucumber/lib/models/data_table';

import isJson from './isJson';

export default function bindGherkinSteps(steps, definitions) {

    return steps.reduce((acc, step) => {

        const definition = definitions.find((def) => {
            return def.matchesStepName(step.text);
        });

        const args = definition.pattern ?
            Array.from(definition.pattern.exec(step.text)).slice(1) :
            [];

        const stepArgs = [
            ...args,
            ...step.dataTable ?
                [new DataTable(step.dataTable)] :
                [],
            ...step.docString ?
                [isJson(step.docString.content) ? JSON.parse(step.docString.content) : step.docString.content] :
                []
        ];

        const type = (step.keyword || '').trim().toLowerCase();

        if (acc.last !== type && type !== 'and' && type !== 'but') {
            acc.last = type;
        }

        return {
            ...acc,
            [acc.last]: [
                ...acc[acc.last] || [],
                {
                    description: `${step.keyword}${step.text}`,
                    ...step,
                    code: definition.code,
                    stepArgs
                }
            ]
        };
    }, {
        last: 'given',
        given: [],
        when: [],
        then: []
    });
}