import { GoodType } from "../goods/good-type.enum";
import { Planet, TradeInstance } from "../planet.model";
import { TradeRoute } from "../routes/trade-route.model";

export class Ship {
  public acceleration = 200; // Pixel pro Sekunde²
  public maxSpeed = 4000;
  public slowDownRadius = 2000; // Startet Bremsen, wenn Ziel nahe ist
  public cargoSize = 100;
  cargoSpace: TradeInstance[] = [];
  public route: TradeRoute | undefined = new TradeRoute([])

  exchangeGoods(planet: Planet) {
    if (!this.route) { return; }

    planet.deliver(this);

    console.log(`\n[${planet.name}] Starting new Trade. Free cargospace: ${this.freeCargoSpace.toFixed(2)}`)
    
    const demands = this.route.getTradeRouteDemands();
    if (demands.length == 0) { return; }
    console.log(JSON.parse(JSON.stringify(demands)))

    for (let demand of demands) {
      // requested amount: demand - storage
      const stored = this.cargoSpace.find(c => c.type == demand.type);
      if (stored) { demand.amount -= stored.amount; };
      demand.amount = Math.min(demand.amount, this.freeCargoSpace);
      demand.amount = Math.max(demand.amount, 0)
      if (demand.amount > 0) { console.log(`[${planet.name}] Requesting ${demand.amount.toFixed(2)} ${demand.type}`); }
      if (demand.amount == 0) { continue; }
      const received = planet.request(demand);
      this.addToCargoSpace({type: demand.type, amount: received})
    }

    console.log(`Cargo: ${this.cargoSpace.map(c => `${c.type}: ${c.amount.toFixed(2)}`).join(', ')}`);
  }

  get freeCargoSpace(): number {
    return this.cargoSize - this.cargoSpace.reduce((acc, succ) => acc + succ.amount, 0)
  }

  addToCargoSpace(cargo: TradeInstance) {
    const existing = this.cargoSpace.find(c => c.type == cargo.type);

    if (existing) {
      existing.amount += cargo.amount;
    } else {
      this.cargoSpace.push(cargo);
    }
  }
}