import type { ManipulateType } from 'dayjs';
import * as dayjs from 'dayjs';
import { FieldInfo } from "../../types/basic";
import { setByPaths } from './dataPath';

const now = () => dayjs.default()

export const buildDefaultValue = (fields: FieldInfo[]) => {
    const defaultValue = {}
    let fieldValue: any;
    fields.forEach(field => {
        const valueType = field.valueType
        if(valueType === 'switch') {
            fieldValue = field.defaultValue?.length && field.defaultValue === 'true'
        } else if ((valueType === 'dateTime' || valueType === 'date')) {
            if (field.dateDefaultValue) {
                let date;
                if (field.dateDefaultValue.defaultValue === 'TODAY') {
                    date = now().startOf('day');
                } else if (field.dateDefaultValue.defaultValue === 'MONTH_START') {
                    date = now().startOf('month');
                } else if (field.dateDefaultValue.defaultValue === 'MONTH_END') {
                    date = now().endOf('month');
                } else if (field.dateDefaultValue.defaultValue === 'YEAR_START') {
                    date = now().startOf('year');
                } else if (field.dateDefaultValue.defaultValue === 'YEAR_END') {
                    date = now().endOf('year');
                } else if (field.dateDefaultValue.defaultValue === 'CURRENT_WEEK_MONDAY') {
                    date = now().startOf('week');
                } else if (field.dateDefaultValue.defaultValue === 'CURRENT_WEEK_TUESDAY') {
                    date = now().startOf('week').add(1, 'day');
                } else if (field.dateDefaultValue.defaultValue === 'CURRENT_WEEK_WEDNESDAY') {
                    date = now().startOf('week').add(2, 'day');
                } else if (field.dateDefaultValue.defaultValue === 'CURRENT_WEEK_THURSDAY') {
                    date = now().startOf('week').add(3, 'day');
                } else if (field.dateDefaultValue.defaultValue === 'CURRENT_WEEK_FRIDAY') {
                    date = now().startOf('week').add(4, 'day');
                } else if (field.dateDefaultValue.defaultValue === 'CURRENT_WEEK_SATURDAY') {
                    date = now().startOf('week').add(5, 'day');
                } else if (field.dateDefaultValue.defaultValue === 'CURRENT_WEEK_SUNDAY') {
                    date = now().startOf('week').add(6, 'day');
                } else {
                    date = now()
                }
                if (field.dateDefaultValue.offset) {
                    // type DateOffsetUnit = 'SECONDS' | 'MINUTES' | 'HOURS' | 'DAYS' | 'WEEKS' | 'MONTHS' | 'YEARS'
                    let addUnit: ManipulateType = 'second';
                    if (field.dateDefaultValue.offsetUnit === 'SECONDS') {
                        addUnit = 'second'
                    } else if (field.dateDefaultValue.offsetUnit === 'MINUTES') {
                        addUnit = 'minute'
                    } else if (field.dateDefaultValue.offsetUnit === 'HOURS') {
                        addUnit = 'hour'
                    } else if (field.dateDefaultValue.offsetUnit === 'DAYS') {
                        addUnit = 'day'
                    } else if (field.dateDefaultValue.offsetUnit === 'WEEKS') {
                        addUnit = 'week'
                    } else if (field.dateDefaultValue.offsetUnit === 'MONTHS') {
                        addUnit = 'month'
                    } else if (field.dateDefaultValue.offsetUnit === 'YEARS') {
                        addUnit = 'year'
                    }
                    date = date.add(field.dateDefaultValue.offset, addUnit)
                }
                fieldValue = date
            }
        } else {
            fieldValue = field.defaultValue
        }
        setByPaths(defaultValue, field.dataIndex, fieldValue)
    })

    return defaultValue
}