import { RandomGenerator } from "../common/RandomGenerator";
import { contains, remove } from "../common/Tools";
import { Mission } from "./missions/Mission";
import { MissionGenerator } from "./missions/MissionGenerator";
import { Player } from "./Player";
import { StarLocation } from "./StarLocation";

/**
 * A shop is a place to buy/sell equipments
 */
export class Shop {
  // Average level of equipment
  private level: number

  // Random generator
  private random: RandomGenerator

  // Available missions
  private missions: Mission[] = []

  constructor(level = 1) {
    this.level = level;
    this.random = new RandomGenerator();
  }

  /**
   * Get a list of available secondary missions
   */
  getMissions(around: StarLocation, max_count = 3): Mission[] {
    while (this.missions.length < max_count) {
      let generator = new MissionGenerator(around.star.universe, around, this.random);
      let mission = generator.generate();
      this.missions.push(mission);
    }

    return this.missions;
  }

  /**
   * Assign a mission to a fleet
   *
   * Returns true on success
   */
  acceptMission(mission: Mission, player: Player): boolean {
    if (contains(this.missions, mission)) {
      if (player.missions.addSecondary(mission, player.fleet)) {
        remove(this.missions, mission);
        return true;
      } else {
        return false;
      }
    } else {
      return false;
    }
  }
}