#!/usr/bin/env python3
"""
CLI script to query Firebase for projects associated with a user email.

Usage:
    python scripts/query_projects.py --email user@example.com
    python scripts/query_projects.py --email user@example.com --limit 10
    python scripts/query_projects.py --email @gmail.com  # Domain search
"""

import argparse
import json
import sys
from typing import List, Dict, Any

# Add parent directory to path for imports
sys.path.insert(0, "..")

from dotenv import load_dotenv
load_dotenv()

from firebase_init import db
from firebase_admin import auth as fb_auth
from utils import get_user_profile


def get_uid_from_email(email: str) -> str | None:
    """Get Firebase Auth UID from user email."""
    try:
        user = fb_auth.get_user_by_email(email)
        return user.uid
    except fb_auth.UserNotFound:
        return None
    except Exception as e:
        print(f"Error looking up user: {e}")
        return None


def query_projects_for_user(
    uid: str,
    case_email: str | None = None,
    case_domain_email: str | None = None,
    limit: int = 100
) -> tuple[List[Dict[str, Any]], int]:
    """
    Query Firestore for projects associated with a user.
    
    Args:
        uid: Firebase user UID
        case_email: Specific case email to filter by (optional)
        case_domain_email: Domain to filter by (optional)
        limit: Maximum number of projects to return
        
    Returns:
        Tuple of (projects list, total count)
    """
    profile = get_user_profile(uid)
    
    if not profile.get("enabled"):
        print(f"Warning: User is not enabled")
    
    # Determine which filter to use
    filter_email = case_email or profile.get("case_email")
    filter_domain = case_domain_email or profile.get("case_domain_email")
    
    if not filter_email and not filter_domain:
        print("Error: No case_email or case_domain_email configured for this user")
        return ([], 0)
    
    try:
        if filter_domain:
            # Domain-based search
            domain_lower = filter_domain.lower()
            projects_ref = db.collection("projects").where(
                "viewing_domains", "array_contains", domain_lower
            )
        else:
            # Email-based search
            email_lower = filter_email.lower()
            projects_ref = db.collection("projects").where(
                "viewing_emails", "array_contains", email_lower
            )
        
        # Get total count
        total_count = int(projects_ref.count().get()[0][0].value)
        
        # Get paginated results
        projects = []
        for doc in projects_ref.order_by("matter_description").limit(limit).stream():
            projects.append(doc.to_dict())
        
        return (projects, total_count)
        
    except Exception as e:
        print(f"Error querying projects: {e}")
        return ([], 0)


def format_project(project: Dict[str, Any]) -> str:
    """Format a project dictionary for display."""
    lines = [
        f"Matter #: {project.get('number', 'N/A')}",
        f"Description: {project.get('matter_description', 'N/A')}",
        f"Client: {project.get('client', 'N/A')}",
        f"Defendant 1: {project.get('defendant_1', 'N/A')}",
        f"Case #: {project.get('case_number', 'N/A')}",
        f"Premises: {project.get('premises_address', 'N/A')}, {project.get('premises_city', 'N/A')}",
        f"Assigned Attorney: {project.get('responsible_attorney', 'N/A')}",
        f"Primary Contact: {project.get('staff_person', 'N/A')}",
        f"Matter Stage: {project.get('phase_name', 'N/A')}",
        f"Documents: {project.get('documents_url', 'N/A')}",
    ]
    return "\n".join(lines)


def main():
    parser = argparse.ArgumentParser(
        description="Query Firebase for projects associated with a user email"
    )
    parser.add_argument(
        "--email", "-e",
        required=True,
        help="User email address (e.g., user@example.com or @domain.com for domain search)"
    )
    parser.add_argument(
        "--limit", "-l",
        type=int,
        default=100,
        help="Maximum number of projects to return (default: 100)"
    )
    parser.add_argument(
        "--json", "-j",
        action="store_true",
        help="Output results as JSON"
    )
    parser.add_argument(
        "--verbose", "-v",
        action="store_true",
        help="Show detailed project information"
    )
    parser.add_argument(
        "--case-email",
        help="Override case email filter (use user's case_email by default)"
    )
    parser.add_argument(
        "--case-domain",
        help="Override case domain filter (use user's case_domain_email by default)"
    )
    
    args = parser.parse_args()
    
    # Get UID from email
    uid = get_uid_from_email(args.email)
    if not uid:
        print(f"Error: User not found with email '{args.email}'")
        sys.exit(1)
    
    # Get user profile
    profile = get_user_profile(uid)
    
    print(f"\nUser: {profile.get('user_email', 'N/A')}")
    print(f"UID: {uid}")
    print(f"Enabled: {profile.get('enabled', False)}")
    print(f"Is Admin: {profile.get('is_admin', False)}")
    print(f"Case Email: {profile.get('case_email', 'N/A')}")
    print(f"Case Domain Email: {profile.get('case_domain_email', 'N/A')}")
    
    # Query projects
    projects, total_count = query_projects_for_user(
        uid=uid,
        case_email=args.case_email,
        case_domain_email=args.case_domain,
        limit=args.limit
    )
    
    print(f"\nFound {total_count} projects (showing {min(len(projects), args.limit)})")
    
    if args.json:
        # Output as JSON
        result = {
            "user": {
                "email": profile.get("user_email"),
                "uid": uid,
                "enabled": profile.get("enabled"),
                "is_admin": profile.get("is_admin"),
                "case_email": profile.get("case_email"),
                "case_domain_email": profile.get("case_domain_email")
            },
            "total_count": total_count,
            "projects": projects
        }
        print(json.dumps(result, indent=2, default=str))
    else:
        # Human-readable output
        for i, project in enumerate(projects, 1):
            print(f"\n{'='*60}")
            print(f"Project {i}:")
            print('='*60)
            if args.verbose:
                print(format_project(project))
            else:
                print(f"  Matter #: {project.get('number', 'N/A')}")
                print(f"  Description: {project.get('matter_description', 'N/A')}")
                print(f"  Client: {project.get('client', 'N/A')}")
                print(f"  Case #: {project.get('case_number', 'N/A')}")


if __name__ == "__main__":
    main()