#!/usr/bin/env python3
"""
Ralph Workflow Helper - pentru Echo
Gestionează workflow-ul complet de creare și execuție proiecte cu Ralph + Claude Code
Folosește ralph_prd_generator.py pentru PRD, apoi ralph.sh pentru implementare
"""

import os
import sys
import json
import subprocess
from pathlib import Path

# Import generator PRD
sys.path.insert(0, str(Path(__file__).parent))
from ralph_prd_generator import create_prd_and_json

WORKSPACE = Path.home() / "workspace"


def run_ralph(prd_json: Path, max_iterations: int = 20, background: bool = False):
    """
    Rulează ralph.sh pentru execuție autonomă
    
    Args:
        prd_json: Path către prd.json
        max_iterations: Max iterații Ralph
        background: Dacă True, rulează în background
    
    Returns:
        subprocess.Popen object dacă background, altfel exit code
    """
    project_dir = prd_json.parent.parent.parent
    ralph_script = prd_json.parent / "ralph.sh"
    
    if not ralph_script.exists():
        print(f"❌ ralph.sh nu există în {ralph_script.parent}")
        return None
    
    print(f"\n🚀 Lansez Ralph loop")
    print(f"📁 Project: {project_dir}")
    print(f"🔁 Max iterations: {max_iterations}")
    print(f"🌙 Background: {background}")
    
    cmd = [str(ralph_script), str(max_iterations)]
    
    if background:
        log_file = ralph_script.parent / "logs" / "ralph.log"
        log_file.parent.mkdir(exist_ok=True)
        
        with open(log_file, 'w') as f:
            process = subprocess.Popen(
                cmd,
                cwd=project_dir,
                stdout=f,
                stderr=subprocess.STDOUT,
                start_new_session=True
            )
        
        print(f"✅ Ralph pornit în background (PID: {process.pid})")
        print(f"📋 Log: {log_file}")
        
        pid_file = ralph_script.parent / ".ralph.pid"
        with open(pid_file, 'w') as f:
            f.write(str(process.pid))
        
        return process
    else:
        print("⚠️ Rulare în foreground")
        result = subprocess.run(cmd, cwd=project_dir)
        return result.returncode


def check_status(project_dir: Path):
    """Verifică status Ralph pentru un proiect"""
    prd_json = project_dir / "scripts" / "ralph" / "prd.json"
    progress_file = project_dir / "scripts" / "ralph" / "progress.txt"
    pid_file = project_dir / "scripts" / "ralph" / ".ralph.pid"
    
    status = {
        "project": project_dir.name,
        "running": False,
        "complete": [],
        "incomplete": [],
        "learnings": []
    }
    
    if pid_file.exists():
        with open(pid_file) as f:
            pid = int(f.read().strip())
        try:
            os.kill(pid, 0)
            status["running"] = True
            status["pid"] = pid
        except OSError:
            status["running"] = False
    
    if prd_json.exists():
        with open(prd_json) as f:
            data = json.load(f)
            for story in data.get('userStories', []):
                if story.get('passes'):
                    status["complete"].append({
                        "id": story['id'],
                        "title": story['title']
                    })
                else:
                    status["incomplete"].append({
                        "id": story['id'],
                        "title": story['title'],
                        "priority": story.get('priority', 999)
                    })
    
    if progress_file.exists():
        with open(progress_file) as f:
            lines = f.readlines()
            status["learnings"] = [l.strip() for l in lines[-10:] if l.strip()]
    
    return status


def main():
    """CLI pentru testing"""
    if len(sys.argv) < 2:
        print("Usage:")
        print("  python ralph_workflow.py create PROJECT_NAME 'description'")
        print("  python ralph_workflow.py status PROJECT_NAME")
        sys.exit(1)
    
    command = sys.argv[1]
    
    if command == "create":
        if len(sys.argv) < 4:
            print("Usage: python ralph_workflow.py create PROJECT_NAME 'description'")
            sys.exit(1)
        
        project_name = sys.argv[2]
        description = sys.argv[3]
        
        print("=" * 70)
        print(f"🧪 Ralph workflow: {project_name}")
        print("=" * 70)
        
        # Generează PRD și prd.json
        prd_file, prd_json = create_prd_and_json(project_name, description, WORKSPACE)
        
        if not prd_file or not prd_json:
            print("\n❌ Eroare la generare PRD")
            sys.exit(1)
        
        # Lansează Ralph în background
        process = run_ralph(prd_json, max_iterations=20, background=True)
        
        if process:
            print("\n" + "=" * 70)
            print("✅ Workflow complet!")
            print(f"📁 Project: {prd_json.parent.parent.parent}")
            print(f"🔄 Ralph PID: {process.pid}")
            print(f"📋 Monitor: tail -f {prd_json.parent}/logs/ralph.log")
            print("=" * 70)
        else:
            print("\n❌ Eroare la lansare Ralph")
            sys.exit(1)
        
    elif command == "status":
        if len(sys.argv) < 3:
            print("Usage: python ralph_workflow.py status PROJECT_NAME")
            sys.exit(1)
        
        project_name = sys.argv[2]
        project_dir = WORKSPACE / project_name
        
        if not project_dir.exists():
            print(f"❌ Proiect nu există: {project_dir}")
            sys.exit(1)
        
        status = check_status(project_dir)
        
        print("\n" + "=" * 70)
        print(f"📊 Status: {status['project']}")
        print("=" * 70)
        print(f"🔄 Running: {'DA (PID: ' + str(status.get('pid', '')) + ')' if status['running'] else 'NU'}")
        print(f"✅ Complete: {len(status['complete'])}")
        print(f"🔄 Incomplete: {len(status['incomplete'])}")
        
        if status['complete']:
            print("\n✅ Stories complete:")
            for s in status['complete'][:5]:
                print(f"  - {s['id']}: {s['title']}")
        
        if status['incomplete']:
            print("\n🔄 Stories incomplete:")
            for s in sorted(status['incomplete'], key=lambda x: x['priority'])[:5]:
                print(f"  - {s['id']} (P{s['priority']}): {s['title']}")
        
        if status['learnings']:
            print("\n📚 Recent learnings:")
            for l in status['learnings'][-5:]:
                print(f"  {l}")
        
        print("=" * 70)
    
    else:
        print(f"❌ Comandă necunoscută: {command}")
        sys.exit(1)


if __name__ == "__main__":
    main()