import * as gracely from "gracely"
import * as isoly from "isoly"
import * as authly from "authly"
import { Connection } from "@payfunc/model-base"
import { Settlement as ModelSettlement } from "../Settlement"

export class Settlement {
	constructor(readonly connection: Connection) {}
	async list(
		start?: isoly.Date,
		end?: isoly.Date,
		type?: "live" | "test",
		merchants?: authly.Identifier[]
	): Promise<ModelSettlement[] | gracely.Error> {
		const query = new URLSearchParams({
			...(start ? { start } : {}),
			...(end ? { end } : {}),
			...(type ? { type } : {}),
			...(merchants && merchants.length > 0 ? { merchants: merchants.join(",") } : {}),
		}).toString()
		return await this.connection.get<ModelSettlement[]>("settlement" + (query ? `?${query}` : ""))
	}
	async report(settlements: ModelSettlement[], language: "sv" | "en"): Promise<string | gracely.Error> {
		return this.connection.post<string | gracely.Error>(`settlement/report?language=${language}`, settlements)
	}
	async load(id: authly.Identifier): Promise<ModelSettlement | gracely.Error>
	async load(id: authly.Identifier[]): Promise<ModelSettlement[] | gracely.Error>
	async load(
		id: authly.Identifier | authly.Identifier[]
	): Promise<ModelSettlement | ModelSettlement[] | gracely.Error> {
		return authly.Identifier.is(id)
			? await this.connection.get<ModelSettlement>("settlement/" + id)
			: (await Promise.all(id.map(i => this.connection.get<ModelSettlement>("settlement/" + i)))).filter(
					ModelSettlement.is
			  )
	}
	static open(url: string, token: string): Settlement
	static open(url: string | undefined, token: string | undefined): Settlement | undefined
	static open(url: string | undefined, token: string | undefined): Settlement | undefined {
		const connection = Connection.open(url, token)
		return connection && new Settlement(connection)
	}
}