from flask import Flask, request, jsonify, send_file
from moviepy.editor import ColorClip,ImageClip, concatenate_videoclips,VideoFileClip
import traceback
import uuid
import glob
import os
import asyncio
from image_fetcher import main
from video import create_text_image
from video2 import video_com

app = Flask(__name__)
SUBSPACE_URL = "https://sreepathi-ravikumar-subprocess1.hf.space/generate_video"
SAVE_DIR = "/app/data/video/"
os.makedirs(SAVE_DIR, exist_ok=True)

@app.route("/")
def home():
    return "Flask Video Generator is Running"

@app.route("/generate", methods=["POST"])
def generate_video():
    try:
        data = request.get_json()
        prompt = data.get("duration", '').strip()
        prompts=prompt.replace("**","")
        print(prompts)
        if prompts == '':
            return jsonify({"error": "prompts be must"}), 400
        image_folder = "/tmp/images"
        #line=prompts.splitlines()
        #asyncio.run(main(line))
        raw_lines = prompts.splitlines(keepends=False)
        lines = []
        
        i = 0
        while i < len(raw_lines):
            line = raw_lines[i].strip()
        
            # Check if current line is a heading
            if line.strip().startswith("#") and (line.endswith('?') or line.endswith(':')):
                block = line  # Start block with heading
                i += 1
        
                # Accumulate body lines until next heading or 5+ lines
                paragraph_lines = []
                while i < len(raw_lines):
                    next_line = raw_lines[i].strip()
        
                    # Stop if next line is a heading
                    if next_line.strip().startswith("#") and (next_line.endswith('?') or next_line.endswith(':')):
                        break
        
                    paragraph_lines.append(next_line)
                    i += 1
        
                    # If we've gathered enough lines for a slide, break to next
                    if len(paragraph_lines) >= 5:
                        break
        
                # Combine heading + paragraph
                if paragraph_lines:
                    block += '\n' + '\n'.join(paragraph_lines)
        
                lines.append(block)
        
            else:
                # Group normal lines (not part of any heading)
                block_lines = []
                count = 0
        
                while i < len(raw_lines) and count < 5:
                    next_line = raw_lines[i].strip()
        
                    # If this is a heading, break to handle it separately
                    if next_line.strip().startswith("#") and (next_line.endswith('?') or next_line.endswith(':')):
                        break
        
                    block_lines.append(next_line)
                    i += 1
                    count += 1
        
                if block_lines:
                    lines.append('\n'.join(block_lines))
        
        # Print or use lines as slides
            id=0
            try:
                # Send list + int to subspace
                res = requests.post(SUBSPACE_URL, json={"lines": lines, "id": id})
                if res.status_code == 200:
                    video_content = res.content
                    filename = f"video_{datetime.now().strftime('%Y%m%d_%H%M%S')}.mp4"
                    filepath = os.path.join(SAVE_DIR, filename)
        
                    with open(filepath, "wb") as f:
                        f.write(video_content)
        
                    return jsonify({
                        "status": "success",
                        "saved_to": filepath
                    })
                else:
                    return jsonify({
                        "status": "error",
                        "code": res.status_code,
                        "message": res.text
                    })
        
            except Exception as e:
                return jsonify({"status": "failed", "error": str(e)})
        
    
        video_path = video_com(lines)
        for img in image_files:
            os.remove(img)

        return send_file(video_path, mimetype='video/mp4')

    except Exception as e:
        traceback.print_exc()
        return jsonify({"error": str(e)}), 500

if __name__ == "__main__":
    app.run(host="0.0.0.0", port=7860)

    # Example call (remove or change in your actual app)