#!/usr/bin/env python3
"""
Script untuk generate placeholder images untuk aplikasi Wisata Lumajang AR.
Jalankan script ini di folder root project.

Requirements:
- pip install Pillow

Usage:
    python generate_placeholders.py
"""

from PIL import Image, ImageDraw, ImageFont
import os

# Definisi wisata dengan warna dan deskripsi
destinations = [
    {
        "filename": "gunung_lemongan",
        "name": "Gunung Lemongan",
        "color": "#A0826D",
        "text_color": "white",
    },
    {
        "filename": "gunung_semeru",
        "name": "Gunung Semeru",
        "color": "#704214",
        "text_color": "white",
    },
    {
        "filename": "pantai_watu_godeg",
        "name": "Pantai Watu Godeg",
        "color": "#4ECDC4",
        "text_color": "white",
    },
    {
        "filename": "pantai_watu_pecak",
        "name": "Pantai Watu Pecak",
        "color": "#00A99D",
        "text_color": "white",
    },
    {
        "filename": "puncak_b29",
        "name": "Puncak B29",
        "color": "#8B7D6B",
        "text_color": "white",
    },
    {
        "filename": "ranu_kumbolo",
        "name": "Ranu Kumbolo",
        "color": "#2196F3",
        "text_color": "white",
    },
    {
        "filename": "ranu_pani",
        "name": "Ranu Pani",
        "color": "#1565C0",
        "text_color": "white",
    },
    {
        "filename": "ranu_regulo",
        "name": "Ranu Regulo",
        "color": "#42A5F5",
        "text_color": "white",
    },
]

# Konfigurasi
OUTPUT_DIR = "android/wisata_app/assets/images"
IMAGE_WIDTH = 1080
IMAGE_HEIGHT = 720
QUALITY = 85

def create_placeholder_image(filename, name, color, text_color):
    """
    Create a placeholder image with gradient background and text.
    
    Args:
        filename: Output filename without extension
        name: Text to display on image
        color: Hex color code for background
        text_color: Text color
    """
    # Convert hex to RGB
    color_rgb = tuple(int(color.lstrip('#')[i:i+2], 16) for i in (0, 2, 4))
    text_color_rgb = (255, 255, 255) if text_color == "white" else (0, 0, 0)
    
    # Create base image with gradient
    img = Image.new('RGB', (IMAGE_WIDTH, IMAGE_HEIGHT), color=color_rgb)
    draw = ImageDraw.Draw(img, 'RGBA')
    
    # Add gradient overlay (darker at bottom)
    for y in range(IMAGE_HEIGHT):
        alpha = int((y / IMAGE_HEIGHT) * 100)
        dark_color = (*color_rgb, alpha)
        draw.line([(0, y), (IMAGE_WIDTH, y)], fill=dark_color)
    
    # Try to use a nice font, fallback to default
    try:
        font_size = 72
        font = ImageFont.truetype("arial.ttf", font_size)
        small_font = ImageFont.truetype("arial.ttf", 32)
    except:
        font = ImageFont.load_default()
        small_font = ImageFont.load_default()
    
    # Draw text in center
    text_bbox = draw.textbbox((0, 0), name, font=font)
    text_width = text_bbox[2] - text_bbox[0]
    text_x = (IMAGE_WIDTH - text_width) // 2
    text_y = (IMAGE_HEIGHT - 100) // 2
    
    # Draw with shadow effect
    draw.text((text_x + 2, text_y + 2), name, font=font, fill=(0, 0, 0, 128))
    draw.text((text_x, text_y), name, font=font, fill=(*text_color_rgb, 255))
    
    # Draw subtitle
    subtitle = "Destinasi Wisata Lumajang"
    draw.text(
        (IMAGE_WIDTH // 2, IMAGE_HEIGHT - 80),
        subtitle,
        font=small_font,
        fill=(*text_color_rgb, 200),
        anchor="mm"
    )
    
    # Save image
    output_path = os.path.join(OUTPUT_DIR, f"{filename}.jpg")
    os.makedirs(OUTPUT_DIR, exist_ok=True)
    img.save(output_path, "JPEG", quality=QUALITY)
    print(f"✓ Generated: {output_path}")

def main():
    """Generate all placeholder images."""
    print(f"Generating {len(destinations)} placeholder images...")
    print(f"Output directory: {OUTPUT_DIR}")
    print()
    
    for dest in destinations:
        create_placeholder_image(
            dest["filename"],
            dest["name"],
            dest["color"],
            dest["text_color"]
        )
    
    print()
    print("✓ All placeholder images generated successfully!")
    print(f"✓ Total images: {len(destinations)}")

if __name__ == "__main__":
    main()