/**
 * 🐕 ANIMAL SYSTEM
 * Handles all animal interactions including emotional triggers
 */

class Animal extends Phaser.GameObjects.Sprite {
    constructor(scene, x, y, texture, type = 'domestic') {
        super(scene, x, y, texture);

        this.scene = scene;
        this.type = type; // 'wild', 'domestic', 'infected'

        // Animal properties
        this.animalName = '';
        this.isHostile = (type === 'infected' || type === 'wild');
        this.triggerMemory = (type === 'domestic'); // Domestic animals trigger memories

        // Proximity detection
        this.proximityRadius = type === 'domestic' ? 150 : 100;
        this.isPlayerNear = false;

        // Memory trigger
        this.memoryTriggered = false;

        // Add to scene
        scene.add.existing(this);
        scene.physics.add.existing(this);

        // Setup physics
        this.body.setImmovable(true);
        this.body.setCollideWorldBounds(true);
    }

    update(player) {
        if (!player) return;

        // Calculate distance to player
        const distance = Phaser.Math.Distance.Between(
            this.x, this.y,
            player.x, player.y
        );

        const wasNear = this.isPlayerNear;
        this.isPlayerNear = distance < this.proximityRadius;

        // Trigger memory when player gets close to domestic animal (first time only)
        if (this.triggerMemory && this.isPlayerNear && !wasNear && !this.memoryTriggered) {
            this.onMemoryTriggered();
        }

        // Stop memory when player leaves
        if (!this.isPlayerNear && wasNear && this.memoryTriggered) {
            this.onMemoryEnded();
        }
    }

    onMemoryTriggered() {
        console.log(`💙 Kai remembers the family dog...`);
        this.memoryTriggered = true;

        // Emit event for UI to handle
        this.scene.events.emit('animal:memory_triggered', {
            animal: this,
            type: 'domestic_dog'
        });
    }

    onMemoryEnded() {
        console.log(`💔 Memory fades...`);

        this.scene.events.emit('animal:memory_ended', {
            animal: this
        });
    }
}

export default Animal;