class FarmingSystem {
    constructor(scene) {
        this.scene = scene;
        this.crops = []; // Active crops in world

        // Crop definitions
        this.cropTypes = {
            'carrot': {
                name: 'Carrot',
                growthStages: 4,
                daysPerStage: 1,
                sellPrice: 10,
                seedCost: 5
            },
            'wheat': {
                name: 'Wheat',
                growthStages: 4,
                daysPerStage: 2,
                sellPrice: 15,
                seedCost: 8
            }
        };
    }

    // Till soil at grid position
    tillSoil(gridX, gridY) {
        if (!this.scene.terrainSystem) return false;

        // 🌱 CHECK MICRO FARM BOUNDARY!
        if (this.scene.microFarmSystem && !this.scene.microFarmSystem.isTileUnlocked(gridX, gridY)) {
            console.log('❌ Cannot till outside farm boundary!');

            // Show error message
            if (this.scene.events) {
                this.scene.events.emit('show-floating-text', {
                    x: gridX * 48,
                    y: gridY * 48,
                    text: '🚫 Unlock farm first!',
                    color: '#ff0000'
                });
            }
            return false;
        }

        // Check if already tilled
        const key = `${gridX},${gridY}`;
        if (this.isTilled(gridX, gridY)) {
            console.log('Already tilled!');
            return false;
        }

        // Mark as tilled in terrain
        if (!this.scene.terrainSystem.tilledSoil) {
            this.scene.terrainSystem.tilledSoil = new Set();
        }

        this.scene.terrainSystem.tilledSoil.add(key);

        // Visual feedback - place tilled soil sprite
        const screenPos = this.scene.iso.toScreen(gridX, gridY);

        if (this.scene.textures.exists('soil_tilled')) {
            const sprite = this.scene.add.sprite(screenPos.x, screenPos.y, 'soil_tilled');
            sprite.setOrigin(0.5, 1);
            sprite.setScale(1.0);
            sprite.setDepth(this.scene.iso.getDepth(gridX, gridY) - 1); // Below crops

            // Store reference
            if (!this.scene.terrainSystem.tilledSprites) {
                this.scene.terrainSystem.tilledSprites = new Map();
            }
            this.scene.terrainSystem.tilledSprites.set(key, sprite);
        }

        // Play dig sound
        if (this.scene.soundManager) {
            this.scene.soundManager.playDig();
        }

        // ✨ PARTICLE EFFECT - Dig particles
        if (this.scene.particleEnhancements) {
            this.scene.particleEnhancements.digParticles(screenPos.x, screenPos.y);
        }

        console.log(`✅ Tilled soil at (${gridX}, ${gridY})`);
        return true;
    }

    isTilled(gridX, gridY) {
        if (!this.scene.terrainSystem || !this.scene.terrainSystem.tilledSoil) return false;
        return this.scene.terrainSystem.tilledSoil.has(`${gridX},${gridY}`);
    }

    // Plant seed
    plantSeed(gridX, gridY, cropType) {
        if (!this.isTilled(gridX, gridY)) {
            console.log('Need to till soil first!');
            return false;
        }

        // Check if already has crop
        if (this.getCropAt(gridX, gridY)) {
            console.log('Already has a crop!');
            return false;
        }

        // Create crop
        const crop = {
            gridX,
            gridY,
            type: cropType,
            stage: 0,
            daysInStage: 0,
            plantedDay: this.scene.timeSystem ? this.scene.timeSystem.day : 0
        };

        this.crops.push(crop);

        // Visual - create sprite
        this.updateCropSprite(crop);

        // Update farm stats
        if (this.scene.farmStats) {
            this.scene.farmStats.cropsPlanted++;
        }

        // Play plant sound
        if (this.scene.soundManager) {
            this.scene.soundManager.playPlant();
        }

        // ✨ PARTICLE EFFECT - Plant sparkle
        if (this.scene.particleEnhancements) {
            const screenPos = this.scene.iso.toScreen(gridX, gridY);
            this.scene.particleEnhancements.plantSparkle(screenPos.x, screenPos.y);
        }

        console.log(`🌱 Planted ${cropType} at (${gridX}, ${gridY})`);
        return true;
    }

    getCropAt(gridX, gridY) {
        return this.crops.find(c => c.gridX === gridX && c.gridY === gridY);
    }

    updateCropSprite(crop) {
        const screenPos = this.scene.iso.toScreen(crop.gridX, crop.gridY);

        // Remove old sprite
        if (crop.sprite) {
            crop.sprite.destroy();
        }

        // Determine texture based on stage
        let textureKey = `crop_${crop.type}_stage_${crop.stage}`;

        // Fallback textures
        if (!this.scene.textures.exists(textureKey)) {
            textureKey = 'carrots_stages'; // Use carrot stages as fallback
        }

        if (this.scene.textures.exists(textureKey)) {
            crop.sprite = this.scene.add.sprite(screenPos.x, screenPos.y, textureKey);
            crop.sprite.setOrigin(0.5, 1);
            crop.sprite.setScale(0.8);
            crop.sprite.setDepth(this.scene.iso.getDepth(crop.gridX, crop.gridY));
        }
    }

    // Harvest crop
    harvestCrop(gridX, gridY) {
        const crop = this.getCropAt(gridX, gridY);
        if (!crop) return false;

        const cropDef = this.cropTypes[crop.type];
        const isRipe = crop.stage >= (cropDef.growthStages - 1);

        if (!isRipe) {
            console.log('Crop not ready yet!');
            return false;
        }

        // Give items
        if (this.scene.inventorySystem) {
            this.scene.inventorySystem.addItem(crop.type, 1);
        }

        // Give gold
        const goldEarned = cropDef.sellPrice;
        if (this.scene.inventorySystem) {
            this.scene.inventorySystem.gold += goldEarned;
        }

        // Update farm stats
        if (this.scene.farmStats) {
            this.scene.farmStats.totalHarvested++;
            this.scene.farmStats.goldEarned += goldEarned;
        }

        // Remove crop
        if (crop.sprite) crop.sprite.destroy();
        this.crops = this.crops.filter(c => c !== crop);

        // Play harvest sound
        if (this.scene.soundManager) {
            this.scene.soundManager.playHarvest();
        }

        console.log(`🌾 Harvested ${crop.type}! (+${goldEarned} gold)`);

        // ✨ PARTICLE EFFECT - Harvest burst
        const screenPos = this.scene.iso.toScreen(gridX, gridY);
        if (this.scene.particleEnhancements) {
            this.scene.particleEnhancements.harvestBurst(screenPos.x, screenPos.y, crop.type);
        }

        // Show floating text
        if (this.scene.events) {
            this.scene.events.emit('show-floating-text', {
                x: screenPos.x,
                y: screenPos.y - 30,
                text: `+${goldEarned}g`,
                color: '#FFD700'
            });
        }

        return true;
    }

    // Update - called each game day
    updateDay() {
        this.crops.forEach(crop => {
            const cropDef = this.cropTypes[crop.type];

            crop.daysInStage++;

            // Advance stage?
            if (crop.daysInStage >= cropDef.daysPerStage) {
                crop.daysInStage = 0;
                crop.stage++;

                // Cap at max stage
                if (crop.stage >= cropDef.growthStages) {
                    crop.stage = cropDef.growthStages - 1;
                }

                // Update visual
                this.updateCropSprite(crop);

                console.log(`🌱 Crop grew! Stage ${crop.stage}/${cropDef.growthStages - 1}`);
            }
        });
    }

    // Update - called each frame
    update() {
        // Update sprite depths if camera moved
        this.crops.forEach(crop => {
            if (crop.sprite) {
                crop.sprite.setDepth(this.scene.iso.getDepth(crop.gridX, crop.gridY));
            }
        });
    }
}