import React, {FC, useEffect, useState} from "react"
import {useParams} from "react-router-dom"
import useAxiosTools from "../../hooks/AxiosTools"
import {timeTracker, toDo} from "../../utilities/types"
import {EditSVG} from "../../components/SVG"
import Field, {TextArea} from "../../components/Field"

const ToDoShow = () => {

    const {id} = useParams()
    const {setLoading, errorCatch, errorLabel, axiosGet, axiosPut} = useAxiosTools(true)
    const [toDo, setToDo] = useState<toDo|null>(null)
    const [editMode, setEditMode] = useState(false)
    const [editForm, setEditForm] = useState<toDo|null>(null)

    useEffect(() => {
        fetchToDo()
    }, [])

    const fetchToDo = async () => {
        try {
            const res = await axiosGet('/api/todos/' + id)
            setToDo(res.data)
        } catch (error) {
            errorCatch(error)
        } finally {
            setLoading(false)
        }
    }

    const handleEditTodoMode = async () => {
        if (editMode) {
            try {
                const res = await axiosPut('/api/todos/' + id, editForm)
                setToDo(res.data)
            } catch (error) {
                errorCatch(error)
            }
        } else {
            setEditForm(toDo)
        }
        setEditMode(!editMode)
    }

    const handleEditTodo = (event: React.ChangeEvent<HTMLInputElement|HTMLTextAreaElement>) => {
            setEditForm({...editForm, [event.target.name]: event.target.value})
    }

    return <div className="relative p-5">
        {errorLabel()}
        {editMode ? <>
            <button className="absolute right-5 flex" onClick={handleEditTodoMode}>Valider <EditSVG className="w-5"/></button>
            <Field name="name" value={editForm?.name} onChange={handleEditTodo} />
            <TextArea name="description" value={editForm?.description} onChange={handleEditTodo} />
        </> : <>
            <button className="absolute right-5" onClick={handleEditTodoMode}><EditSVG className="w-5"/></button>
            <h1 className="text-lg font-bold">{toDo?.name}</h1>
            <p>{toDo?.description}</p>
        </>}


        {toDo && <ToDoTimeTrackers toDo={toDo}/>}
    </div>
}

export default ToDoShow

const ToDoTimeTrackers: FC<ToDoTimeTrackers> = ({toDo: toDo}) => {

    const {setLoading, errorCatch, errorLabel, axiosGet} = useAxiosTools(true)
    const [timeTrackers, setTimeTrackers] = useState<timeTracker[]>([])

    useEffect(() => {
        fetchTimeTrackers()
    }, [])

    const fetchTimeTrackers = async () => {
        try {
            const res = await axiosGet(`/api/todos/${toDo.id}/time-trackers`)
            setTimeTrackers(res.data)
        } catch (error) {
            errorCatch(error)
        } finally {
            setLoading(false)
        }
    }

    const timeSpend = () => {
        let timer = 0
        let more = false
        timeTrackers.forEach(timeTracker => {
            if (! timeTracker.end_at) {
                more = true
            } else {
                timer += ((new Date(timeTracker.end_at)).getTime()) - (new Date(timeTracker.start_at)).getTime()
            }
        })

        timer = Math.floor(timer / 1000)
        return (more ? '+' : '') + timer.durationify()
        // let hours = Math.floor(timer / 3600)
        // let minutes = Math.floor((timer - hours * 3600) / 60)
        // let secondes = timer - hours * 3600 - minutes * 60
        // return `${more ? '+' : ''} ${hours}:${String(minutes).padStart(2, '0')}:${String(secondes).padStart(2, '0')}`
    }

    return <div className="p-5">
        <div className="text-center">Temps passé : {timeSpend()}</div>
        {errorLabel()}
        <table className="mx-auto">
            <thead>
            <tr>
                <th>Début</th>
                <th>Fin</th>
                <th>Différence</th>
            </tr>
            </thead>
            <tbody>
            {timeTrackers.map(timeTracker => <tr key={timeTracker.id} className="text-center">
                <td className="px-1">{timeTracker.start_at ? (new Date(timeTracker.start_at)).toSmallFrDate() : ''}</td>
                <td className="px-1">{timeTracker.end_at ? (new Date(timeTracker.end_at)).toSmallFrDate() : ''}</td>
                <td className="px-1 text-right">{timeTracker.start_at && timeTracker.end_at ? (new Date(timeTracker.end_at)).difference(new Date(timeTracker.start_at)) : ''}</td>
            </tr>)}
            </tbody>
        </table>
    </div>
}

interface ToDoTimeTrackers {
    toDo: toDo,
}