import 'dart:math' as math;

import 'package:wolf_dart/classes/linear_coordinates.dart';
import 'package:wolf_dart/features/entities/collectible.dart';
import 'package:wolf_dart/features/player/weapon.dart';
import 'package:wolf_dart/features/player/weapons/knife.dart';
import 'package:wolf_dart/features/player/weapons/machine_gun.dart';
import 'package:wolf_dart/features/player/weapons/pistol.dart';

class Player {
  // Spatial
  double x;
  double y;
  double angle;

  // Stats
  int health = 100;
  int ammo = 8;
  int score = 0;

  // Inventory
  bool hasGoldKey = false;
  bool hasSilverKey = false;
  bool hasMachineGun = false;
  bool hasChainGun = false;

  // Weapon
  late Weapon currentWeapon;
  final List<Weapon> availableWeapons = [];

  Player({
    required this.x,
    required this.y,
    required this.angle,
  }) {
    // Start with Knife and Pistol
    availableWeapons.add(Knife());
    availableWeapons.add(Pistol());
    currentWeapon = availableWeapons[1];
  }

  // Helper getter to interface with the RaycasterPainter
  LinearCoordinates get position => (x: x, y: y);

  // Helper methods to keep state manipulation safe
  void takeDamage(int damage) {
    health = math.max(0, health - damage);

    if (health <= 0) {
      print("YOU DIED!");
    } else {
      print("Ouch! ($health)");
    }
  }

  void heal(int amount) {
    final int newHealth = math.min(100, health + amount);

    if (health < 100) {
      print("Feelin' better. ($newHealth)");
    }

    health = newHealth;
  }

  void addAmmo(int amount) {
    final int newAmmo = math.min(99, ammo + amount);

    if (ammo < 99) {
      print("Hell yeah. ($newAmmo)");
    }

    ammo = newAmmo;
  }

  bool tryPickup(Collectible item) {
    bool pickedUp = false;

    switch (item.type) {
      case CollectibleType.health:
        if (health >= 100) return false;
        // Map IDs 47 (Dog Food) and 48 (Medkit)
        heal(item.mapId == 47 ? 4 : 25);
        pickedUp = true;
        break;

      case CollectibleType.ammo:
        if (ammo >= 99) return false;
        addAmmo(8);
        pickedUp = true;
        break;

      case CollectibleType.treasure:
        // Score values for Cross (52), Chalice (53), Chest (54), Crown (55)
        if (item.mapId == 52) score += 100;
        if (item.mapId == 53) score += 500;
        if (item.mapId == 54) score += 1000;
        if (item.mapId == 55) score += 5000;
        if (item.mapId == 56) {
          // 1-Up
          heal(100);
          addAmmo(25);
        }
        pickedUp = true;
        break;

      case CollectibleType.weapon:
        if (item.mapId == 50) hasMachineGun = true;
        if (item.mapId == 51) hasChainGun = true;
        pickedUp = true;
        break;

      case CollectibleType.key:
        if (item.mapId == 43) hasGoldKey = true;
        if (item.mapId == 44) hasSilverKey = true;
        pickedUp = true;
        break;
    }
    return pickedUp;
  }

  void fire(int currentTime) {
    // Only spend ammo if the weapon isn't a knife
    bool shotFired = currentWeapon.fire(currentTime, currentAmmo: ammo);
    if (shotFired && currentWeapon is! Knife) {
      ammo--;
    }
  }

  /// Returns true only on the specific frame where the hit should be calculated
  bool updateWeapon(int currentTime) {
    int oldFrame = currentWeapon.frameIndex;
    currentWeapon.update(currentTime);

    // In your Pistol (Indices 212-215), Index 213 is the flash.
    // This translates to frameIndex == 1 in our fireFrames list.
    if (currentWeapon.state == WeaponState.firing &&
        oldFrame == 0 &&
        currentWeapon.frameIndex == 1) {
      return true;
    }
    return false;
  }

  // Logic to switch weapons (e.g., picking up the Machine Gun)
  void equipBestWeapon() {
    if (hasChainGun) {
      /* set chain gun */
    } else if (hasMachineGun) {
      currentWeapon = MachineGun();
    }
  }
}