const data = require('./whenwe.json');
const fs = require('fs');
const path = require('path');
const { NodeHtmlMarkdown, NodeHtmlMarkdownOptions } = require('node-html-markdown');
const nhm = new NodeHtmlMarkdown({
    useLinkReferenceDefinitions: true,
    useInlineLinks: true,
});

function toYaml(data, body) {
    const frontmatter = Object.keys(data).sort().map(key => key+': '+(data[key] ? '"'+data[key]+'"' : '')).join("\n");
    return "---\n" + frontmatter + "\n---\n" + nhm.translate(body);
}

function date(datestr) {
    if (datestr) {
	const [Y,M,D,h,m,s] = datestr.split(/[^0-9]/)
	return new Date(Date.UTC.call(null, Y,M-1,D,h,m,s)).toISOString();
    }
    else
	return '';
}
    

data.forEach((node, ix) => {
    const lang = 'und';
    const filepath = path.join('out', node.type);
    const body = node.body.und[0].value;
    const filename = `${node.uuid}.md`;
    
    fs.mkdirSync(path.join(__dirname, filepath), { recursive: true });
    const item = {
	ix: ix, 
	nid: Number(node.nid),
	type: node.type,
	title: node.title,
	uuid: node.uuid,
	created: new Date(Number(node.created)*1000).toISOString(),
	changed: new Date(Number(node.changed)*1000).toISOString(),
	path: node.path.alias,
	comment_count: node.comment_count,
    };
    switch(node.type) {
	case 'article':
	    Object.assign(item, {
		original_author: node.field_original_author?.und?.[0]?.value, 
		featured_image: node.field_featured_image?.und?.[0]?.filename,
		images: node.field_basic_image_image?.und?.map(item => item.filename),
		category: node.field_category?.und?.[0]?.tid,
	    });
	break;
	    
	case 'person':
	    Object.assign(item, {
		forename_at_birth: node.field_forename_at_birth?.und?.[0]?.value,
		surname_at_birth: node.field_surname_at_birth?.und?.[0]?.value,
		other_surnames: node.field_other_surnames?.und?.[0]?.value,
		other_forenames: node.field_other_forenames?.und?.[0]?.value,
		title: node.field_title?.und?.[0]?.value,
		date_of_birth: date(node.field_date_of_birth?.und?.[0]?.value),
		date_of_death: date(node.field_date_of_death?.und?.[0]?.value),
		parent_of: node.field_parent_of?.und?.[0]?.value,
		child_of: node.field_child_of?.und?.[0]?.value,
		partner_of: node.field_partner_of?.und?.[0]?.value,
//		lifetime: node.field_lifetime?.und?.[0]?.value,
		featured_image: node.field_featured_image?.und?.[0]?.filename,
	    });
	    break;
    }
    fs.writeFileSync(path.join(filepath, filename), toYaml(item, body));
    console.log(item.title);
});