import {
	args
,	delayR	// call a function with a random delay
,	log		// console.log in .map or .then
,	concat	// concat for reduce: [[1,2],3,[4],[5,6]].reduce(concat,[]) > [1,2,3,4,5,6]
,	only	// only n element for array.filter
,	toCSV	// transforms an arry of same objects to CSV string (1st line with columns)
,	get		// nodejs HTTP.get
,	stick	// stick together an array of string and arguments (for template literals)
,	toJson	// parses JSON string
,	toFile,	// fs.writeFile but in .map or .then (ex: p.then( toFile('toto.txt') ) )
cache
} from './gentleman'

// templates
import p2e from './person2element'
import c2c from './certifications2connections'

// shrotcuts
const ROOT = (ss,...pp)=> `https://g1.duniter.org${stick(ss,...pp)}`
global.BMA = (ss,...pp)=> delayR( get, ROOT`${stick(ss,...pp)}` ).then( toJson )
delayR.amount = 20000
await cache(`./.cache`)

// Get last UD to compute relative balance
const relativity = (
		await BMA`/blockchain/block/${
			( await BMA`/blockchain/with/ud` )
				.result.blocks.pop()
		}`
	).dividend / 100
// console.log( relativity )


console.log( ROOT`/wot/members` )
// console.log( await BMA`/wot/members` )
// console.log( (await BMA`/wot/members`).results.filter(only(10)) )


// Load all members then each certifications
let members = await Promise.all(
	( await BMA`/wot/members` )
		.results
			.filter( only(args.limit) )
			// .map( person=> ROOT`/wot/certified-by/${person.pubkey}` )
			// .map( log() )
			.map( person=> BMA`/wot/certified-by/${person.pubkey}` )
)
// console.log( members )

// console.log( 'elems: ', toCSV( await Promise.all(members.map(p2e)) ) )
// process.exit()

let kumu = {
	elements: await Promise.all( members.map(p2e) )
,	connections: members.map(c2c).reduce(concat,[])
}

toFile( `./wot-elem.csv` )(
	toCSV( kumu.elements )
)

// console.log( 'conns: ', toCSV( members.map(c2c).reduce(concat,[]) ) )

toFile( `./wot-conn.csv` )(
	toCSV( kumu.connections )
)

toFile( `./wot.kumu.json` )(
	JSON.stringify( kumu )
)

// let csv =  `${toCSV( members.map(p2e) )}


// ${toCSV( members.map(c2c).reduce(concat,[]) )}`

// let csv = await load()
// 	.then( json=> json.results.filter((o,i)=>i<5).map(gentlyLoad) )
// 	.then( arr=> Promise.all(arr) )
// // 	.then( members=> console.log(members) )
// 	.then( members=> `
// ${toCSV( members.map(p2e) )}


// ${toCSV( members.map(c2c).reduce(concat,[]) )}

// `)

// console.log('Final CVS:', csv )