package market.guess.ui.console.command;

import java.math.BigDecimal;
import market.guess.api.CatalogContext;
import market.guess.api.GuessMarketContext;
import market.guess.model.event.EventStatus;
import market.guess.ui.console.io.InputProcessor;

public final class PlaceOrderMenuCommand implements MenuCommand {
  private final GuessMarketContext context;
  private final CatalogContext catalog;
  private final InputProcessor io;

  public PlaceOrderMenuCommand(
      GuessMarketContext context, CatalogContext catalog, InputProcessor io) {
    super();
    this.context = context;
    this.catalog = catalog;
    this.io = io;
  }

  @Override
  public int getIndex() {
    return 4;
  }

  @Override
  public String getName() {
    return "Place a buy order on an event";
  }

  @Override
  public void execute() {
    var result = catalog.getAllEvents();

    if (!result.isSuccess()) {
      io.println("Failed to list events: %s.".formatted(result.getMessage()));
      return;
    }

    var events = result.getData();
    if (events.isEmpty()) {
      io.println("No events are currently loaded. Please load a valid XML file first.");
      return;
    }

    var active = events.stream().filter(event -> event.status() == EventStatus.ACTIVE).toList();

    if (active.isEmpty()) {
      io.println("There are currently no active events to trade on.");
      return;
    }

    io.newLine();
    io.println("Active events:");
    var pick = io.readSelect("Pick an active event: ", active, event -> "[ID: %d] %s".formatted(event.displayId(), event.name()));

    var result2 = catalog.getEvent(pick.key());
    var event = result2.getData();
    if (event == null) {
      io.println("That event is no longer available.");
      return;
    }

    io.printState(event.state());

    var market =
        io.readSelect(
            "Choose an option to buy: ",
            event.state().markets(),
            o -> "%s [current value: %s, %s shares purchased]".formatted(o.name(), o.price(), o.volume()));

    var amount = io.readInt("How many shares would you like to buy? ", 1, Integer.MAX_VALUE);

    var buyResult =
        context.placeOrder(
            "Tester", event.summary().key(), market.key(), new BigDecimal(market.price()), amount);
    if (buyResult.isSuccess()) {
      io.printReceipt(buyResult.getData());
      return;
    }
    io.newLine();
    io.println("Purchase declined: %s".formatted(buyResult.getMessage()));
  }
}