#!/usr/bin/env python3
"""Export a decision from DB to DOCX using the CJS template generator.

Usage: python export-decision-docx.py <case_number> [output.docx]

Pulls decision blocks from DB, generates structure JSON,
invokes create-decision-structure.cjs to produce DOCX.
"""

import asyncio
import json
import subprocess
import sys
from pathlib import Path

sys.path.insert(0, str(Path(__file__).parent.parent / "mcp-server" / "src"))

from legal_mcp.services.db import get_pool, init_schema, close_pool

CJS_SCRIPT = Path(__file__).parent.parent / "skills" / "decision" / "scripts" / "create-decision-structure.cjs"


def block_id_to_hebrew(block_id: str) -> str:
    """Map block_id to Hebrew letter label."""
    mapping = {
        "block-alef": "א", "block-bet": "ב", "block-gimel": "ג",
        "block-dalet": "ד", "block-he": "ה", "block-vav": "ו",
        "block-zayin": "ז", "block-chet": "ח", "block-tet": "ט",
        "block-yod": "י", "block-yod-alef": "יא", "block-yod-bet": "יב",
    }
    return mapping.get(block_id, "")


async def main():
    if len(sys.argv) < 2:
        print("שימוש: python export-decision-docx.py <מספר_תיק> [output.docx]")
        sys.exit(1)

    case_number = sys.argv[1]
    output_path = sys.argv[2] if len(sys.argv) > 2 else f"החלטה-{case_number}.docx"

    await init_schema()
    pool = await get_pool()

    async with pool.acquire() as conn:
        # Get case info
        case = await conn.fetchrow(
            "SELECT * FROM cases WHERE case_number = $1", case_number
        )
        if not case:
            print(f"תיק {case_number} לא נמצא")
            sys.exit(1)

        # Get decision
        decision = await conn.fetchrow(
            "SELECT * FROM decisions WHERE case_id = $1 AND status = 'final'",
            case["id"],
        )
        if not decision:
            print(f"אין החלטה סופית לתיק {case_number}")
            sys.exit(1)

        # Get blocks
        blocks = await conn.fetch(
            """SELECT block_id, block_index, title, content, word_count
               FROM decision_blocks
               WHERE decision_id = $1
               ORDER BY block_index""",
            decision["id"],
        )

    await close_pool()

    # Build structure JSON for CJS script
    appellants = json.loads(case["appellants"]) if isinstance(case["appellants"], str) else case["appellants"]
    respondents = json.loads(case["respondents"]) if isinstance(case["respondents"], str) else case["respondents"]

    structure = {
        "metadata": {
            "case_number": case["case_number"],
            "title": case["title"],
            "subject": case["subject"],
            "property_address": case["property_address"],
            "committee": case["committee_type"],
            "outcome": decision["outcome"] or "",
            "decision_date": str(decision["decision_date"]) if decision["decision_date"] else "",
            "author": decision["author"],
        },
        "parties": {
            "appellants": [{"name": a} for a in appellants],
            "respondents": [{"name": r} for r in respondents],
        },
        "blocks": [],
    }

    for block in blocks:
        content = block["content"] or ""
        # Skip empty header blocks
        if block["block_id"] in ("block-alef", "block-bet", "block-gimel", "block-dalet") and not content:
            continue

        paragraphs = [p.strip() for p in content.split("\n") if p.strip()]

        structure["blocks"].append({
            "id": block["block_id"],
            "index": block["block_index"],
            "title": block["title"],
            "hebrew_letter": block_id_to_hebrew(block["block_id"]),
            "word_count": block["word_count"],
            "paragraphs": paragraphs,
        })

    # Write JSON (absolute paths)
    output_abs = Path(output_path).resolve()
    json_path = output_abs.with_suffix(".json")
    json_path.parent.mkdir(parents=True, exist_ok=True)

    with open(json_path, "w", encoding="utf-8") as f:
        json.dump(structure, f, ensure_ascii=False, indent=2)
    print(f"JSON נוצר: {json_path}")

    # Run CJS script with absolute paths
    result = subprocess.run(
        ["node", str(CJS_SCRIPT), str(json_path), str(output_abs)],
        capture_output=True, text=True,
        cwd=str(CJS_SCRIPT.parent),
    )

    if result.returncode == 0:
        print(f"✅ DOCX נוצר: {output_path}")
    else:
        print(f"❌ שגיאה ביצירת DOCX:")
        print(result.stderr)
        # JSON is still available for manual processing
        print(f"ה-JSON זמין: {json_path}")


if __name__ == "__main__":
    asyncio.run(main())