import { API } from 'api'

export class Sync {
	static async tree() {
		try {
			const state = await nodeStore.getAppState('latest_sync')
			let oldMax = (state?.value ? state.value : 0)
			let newMax = 0

			let offset = 0
			let res = { Continue: false }
			let batch = 0
			do {
				batch++
				console.log(`Batch #${batch}`)
				res = await API.query('POST', `/node/tree/${oldMax}/${offset}`, {})
				offset += res.Nodes.length
				newMax = res.MaxSeq
				await nodeStore.updateTreeRecords(res.Nodes)
			} while (res.Continue)

			nodeStore.setAppState('latest_sync', Math.max(oldMax, newMax))
		} catch (e) {
			console.log('sync node tree', e)
		}


		/*
		nodeStore.getAppState('latest_sync')
			.then(state => {
				if (state !== null) {
					oldMax = state.value
					return state.value
				}
				return 0
			})
			.then(async sequence => {
				let offset = 0
				let res = { Continue: false }
				try {
					do {
						res = await API.query('POST', `/node/tree/${sequence}/${offset}`, {})
						offset += res.Nodes.length
						newMax = res.MaxSeq
						await nodeStore.updateTreeRecords(res.Nodes)
					} while (res.Continue)
				} catch (e) {
					return new Promise((_, reject) => reject(e))
				}
			})
			.then(() => nodeStore.setAppState('latest_sync', Math.max(oldMax, newMax)))
			.catch(e => console.log('sync', e))
		*/
	}
}