"""Scope of work generator from estimates."""
import json, sys, os
sys.path.insert(0, os.path.join(os.path.dirname(__file__), ".."))
from lib.db import get_db, row_to_dict, rows_to_list

STANDARD_CLAUSES = """
## General Conditions

- All work performed in accordance with local building codes and regulations
- Contractor to obtain all necessary permits unless otherwise noted
- Work area to be kept clean and debris removed daily
- Final cleanup included upon project completion

## Warranty

- 1-year workmanship warranty on all labor
- Manufacturer warranties apply to all materials and fixtures

## Exclusions

- Unforeseen conditions (mold, asbestos, structural damage) — addressed via change order
- Owner-supplied materials — contractor not responsible for defects
- Landscaping, exterior painting, or work not explicitly listed above
- Furniture moving or storage
"""

def generate(estimate_id):
    conn = get_db()
    est = row_to_dict(conn.execute("SELECT * FROM estimates WHERE id=?", (estimate_id,)).fetchone())
    if not est: conn.close(); return {"error": "estimate not found"}
    items = rows_to_list(conn.execute("SELECT * FROM line_items WHERE estimate_id=?", (estimate_id,)).fetchall())
    job = row_to_dict(conn.execute("SELECT * FROM jobs WHERE id=?", (est["job_id"],)).fetchone())
    conn.close()

    lines = [f"# Scope of Work — {job.get('client_name','Client') if job else 'Client'}",
             f"**Project:** {job.get('description','') if job else ''}",
             f"**Address:** {job.get('address','') if job else ''}", "", "## Work Items", ""]
    for i, item in enumerate(items, 1):
        if item["category"] == "labor":
            lines.append(f"{i}. **{item['description']}** — {item['quantity']} {item['unit']}")
    lines.append(STANDARD_CLAUSES)
    scope = "\n".join(lines)
    return {"scope": scope, "estimate_id": estimate_id, "items_count": len(items)}

if __name__ == "__main__":
    from lib.db import init_db; init_db()
    if len(sys.argv) < 2: print(json.dumps({"error": "usage: scope_generator.py <estimate_id>"}))
    else:
        r = generate(sys.argv[1])
        print(r.get("scope", json.dumps(r)))