import { useEmployeeStore } from "src/stores/employee-store";
import { useSchedulePresetsStore } from "src/stores/schedule-presets.store";
import { SchedulePreset } from "../models/schedule-presets.models";

export const useEmployeeListApi = () => {
    const employee_store = useEmployeeStore();
    const schedule_preset_store = useSchedulePresetsStore();

    const getEmployeeList = async (): Promise<void> => {
        employee_store.is_loading = true;

        const success = await employee_store.getEmployeeList();
        if (success) await schedule_preset_store.findSchedulePresetList();

        employee_store.is_loading = false;
    };

    const getEmployeeDetails = async(email: string): Promise<void> => {
        const success = await employee_store.getEmployeeDetails(email);
        if (success && employee_store.employee.preset_id !== null) {
            schedule_preset_store.setCurrentSchedulePreset(employee_store.employee.preset_id ?? -1);
        }
    }
    
    const setSchedulePreset = (preset_id: number) => {
        schedule_preset_store.setCurrentSchedulePreset(preset_id);
        employee_store.employee.preset_id = preset_id < 0 ? null : preset_id;
    }

    const saveSchedulePreset = async() => {
        const preset = schedule_preset_store.current_schedule_preset;
        const preset_shifts = preset.weekdays.flatMap(weekday => weekday.shifts);
        const backend_preset = new SchedulePreset(preset.id, preset.name, preset.is_default, preset_shifts);
        let success = false;

        if (preset.id === -1) success = await schedule_preset_store.createSchedulePreset(backend_preset);
        else success = await schedule_preset_store.updateSchedulePreset(backend_preset);
        
        if (success) {
            await schedule_preset_store.findSchedulePresetList();
            schedule_preset_store.is_manager_open = false;
        }
    }

    const deleteSchedulePreset = async(preset_id: number) => {
        const success = await schedule_preset_store.deleteSchedulePreset(preset_id);
        if (success) {
            await schedule_preset_store.findSchedulePresetList();
            schedule_preset_store.is_manager_open = false;
        }
    }

    return {
        getEmployeeList,
        getEmployeeDetails,
        setSchedulePreset,
        saveSchedulePreset,
        deleteSchedulePreset,
    };
};