import odoo_client
from datetime import datetime
from leave import Leave
import re


class LeaveService:
    def __init__(self, client: odoo_client.OdooClient):
        self.client = client

    def fetch_available_employees(self, team: list[str]) -> list:
        today = datetime.now().strftime("%Y-%m-%d")
        domain = [
            ("start_datetime", "<=", today),
            ("stop_datetime", ">=", today),
        ]
        domain.extend(["|"] * (len(team) - 1))
        domain.extend(
            [("employee_id.name", "=ilike", f"%({employee})") for employee in team]
        )
        leaves = self.client.web_search_read(Leave, domain)

        team_availability = {employee: (True, True) for employee in team}

        for leave in leaves:
            employee = re.search(r"\((.*?)\)", leave.employee_id).group(1).lower()
            is_morning = leave.start_datetime.hour < 11
            is_afternoon = leave.stop_datetime.hour >= 14
            if is_morning:
                team_availability[employee] = (False, team_availability[employee][1])
            if is_afternoon:
                team_availability[employee] = (team_availability[employee][0], False)

        available_employees = [
            employee
            for employee, (morning, afternoon) in team_availability.items()
            if morning or afternoon
        ]
        return available_employees