#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""Contract create API"""
import json, uuid, time

result = {'widgettype': 'Message', 'options': {'title': 'Error', 'message': 'Invalid request', 'type': 'error'}}

try:
    contract_number = params_kw.get('contract_number', '').strip()
    title = params_kw.get('title', '').strip()
    party_a = params_kw.get('party_a', '').strip()
    party_b = params_kw.get('party_b', '').strip()
    contract_type = params_kw.get('contract_type', '').strip()
    amount = params_kw.get('amount', '0').strip()
    start_date = params_kw.get('start_date', '').strip() or None
    end_date = params_kw.get('end_date', '').strip() or None
    owner_id = params_kw.get('owner_id', '').strip()
    
    if not contract_number or not title or not party_a or not party_b or not owner_id:
        result['options'] = {'title': 'Error', 'message': '请填写必填字段', 'type': 'error'}
    else:
        dbname = get_module_dbname('contract_management')
        new_id = str(uuid.uuid4()).replace('-', '')
        now = time.strftime('%Y-%m-%d %H:%M:%S')
        sign_date = params_kw.get('sign_date', '').strip() or None
        org_id = params_kw.get('org_id', '').strip() or 'org001'
        
        async with DBPools().sqlorContext(dbname) as sor:
            existing = await sor.sqlExe("SELECT id FROM contract WHERE contract_number = ${contract_number}$", {'contract_number': contract_number})
            if existing:
                result['options'] = {'title': 'Error', 'message': '合同编号已存在', 'type': 'error'}
            else:
                await sor.sqlExe("""INSERT INTO contract (id, contract_number, title, party_a, party_b, contract_type, amount, start_date, end_date, sign_date, status, owner_id, org_id, created_at)
                    VALUES (${id}$, ${contract_number}$, ${title}$, ${party_a}$, ${party_b}$, ${contract_type}$, ${amount}$, ${start_date}$, ${end_date}$, ${sign_date}$, ${status}$, ${owner_id}$, ${org_id}$, ${created_at}$)""", {
                    'id': new_id, 'contract_number': contract_number, 'title': title,
                    'party_a': party_a, 'party_b': party_b, 'contract_type': contract_type,
                    'amount': float(amount) if amount else 0,
                    'start_date': start_date, 'end_date': end_date,
                    'sign_date': sign_date,
                    'status': params_kw.get('status', 'draft').strip(),
                    'owner_id': owner_id, 'org_id': org_id,
                    'created_at': now
                })
                result = {'widgettype': 'Message', 'options': {'title': 'Success', 'message': '合同创建成功', 'type': 'success'}}

except Exception as e:
    result['options'] = {'title': 'Error', 'message': f'创建失败: {str(e)}', 'type': 'error'}

return json.dumps(result, ensure_ascii=False)