const path = require('path');

exports.createPages = ({ graphql, actions }) => {
    const { createPage } = actions;

    return new Promise((resolve, reject) => {
        const storyblokEntry = path.resolve('src/templates/storyblok-entry.js');

        resolve(
            graphql(
                `
                    {
                        stories: allStoryblokEntry {
                            edges {
                                node {
                                    id
                                    name
                                    created_at
                                    uuid
                                    slug
                                    field_component
                                    full_slug
                                    content
                                    is_startpage
                                    parent_id
                                    group_id
                                }
                            }
                        }
                    }
                `
            ).then(result => {
                if (result.errors) {
                    console.log(result.errors);
                    reject(result.errors);
                }

                const entries = result.data.stories.edges;
                const contents = entries.filter(entry => {
                    return entry.node.field_component != 'global';
                });

                contents.forEach((entry, index) => {
                    const pagePath = entry.node.full_slug == 'home' ? '' : `${entry.node.full_slug}/`;
                    const global = entries.filter(globalEntry => {
                        return globalEntry.node.field_component == 'global' && globalEntry.node.lang == entry.node.lang;
                    });
                    if (!global.length) {
                        throw new Error(
                            'The global navigation item has not been found. Please create a content item with the content type global_navi in Storyblok.'
                        );
                    }

                    createPage({
                        path: `/${pagePath}`,
                        component: storyblokEntry,
                        context: {
                            global: global[0].node,
                            story: entry.node,
                        },
                    });
                });
            })
        );
    });
};