hensei-web/components/SummonGrid/index.tsx

/* eslint-disable react-hooks/exhaustive-deps */
import React, { useCallback, useEffect, useMemo, useState } from 'react'
import { useCookies } from 'react-cookie'
import { useModal as useModal } from '~utils/useModal'

import { AxiosResponse } from 'axios'
import debounce from 'lodash.debounce'

import SearchModal from '~components/SearchModal'
import SummonUnit from '~components/SummonUnit'
import ExtraSummons from '~components/ExtraSummons'

import api from '~utils/api'
import './index.scss'

// GridType
export enum GridType {
    Class,
    Character,
    Weapon,
    Summon
}

// Props
interface Props {
    partyId?: string
    mainSummon: GridSummon | undefined
    friendSummon: GridSummon | undefined
    summons: GridArray<GridSummon>
    editable: boolean
    createParty: () => Promise<AxiosResponse<any, any>>
    pushHistory?: (path: string) => void
}

const SummonGrid = (props: Props) => {
    // Constants
    const numSummons: number = 4

    // Cookies
    const [cookies, _] = useCookies(['user'])
    const headers = (cookies.user != null) ? {
        headers: {
            'Authorization': `Bearer ${cookies.user.access_token}`
        }
    } : {}

    // Set up state for party
    const [partyId, setPartyId] = useState('')

    // Set up states for Grid data
    const [summons, setSummons] = useState<GridArray<GridSummon>>({})
    const [mainSummon, setMainSummon] = useState<GridSummon>()
    const [friendSummon, setFriendSummon] = useState<GridSummon>()

    // Set up states for Search
    const { open, openModal, closeModal } = useModal()
    const [itemPositionForSearch, setItemPositionForSearch] = useState(0)

    // Create a temporary state to store previous weapon uncap value
    const [previousUncapValues, setPreviousUncapValues] = useState<{[key: number]: number}>({})

    // Create a state dictionary to store pure objects for Search
    const [searchGrid, setSearchGrid] = useState<GridArray<Summon>>({})

    // Set states from props
    useEffect(() => {
        setSummons(props.summons || {})
        setMainSummon(props.mainSummon)
        setFriendSummon(props.friendSummon)
    }, [props])

    // Update search grid whenever any summon is updated
    useEffect(() => {
        let newSearchGrid = Object.values(summons).map((o) => o.summon)

        if (mainSummon)
            newSearchGrid.unshift(mainSummon.summon)

        if (friendSummon)
            newSearchGrid.unshift(friendSummon.summon)

        setSearchGrid(newSearchGrid)
    }, [summons, mainSummon, friendSummon])

    // Methods: Adding an object from search
    function openSearchModal(position: number) {
        setItemPositionForSearch(position)
        openModal()
    }

    function receiveSummonFromSearch(object: Character | Weapon | Summon, position: number) {
        const summon = object as Summon

        if (!partyId) {
            props.createParty()
                .then(response => {
                    const party = response.data.party
                    if (props.pushHistory) props.pushHistory(`/p/${party.shortcode}`)
                    saveSummon(party.id, summon, position)
                        .then(response => storeGridSummon(response.data.grid_summon))
                })
        } else {
            saveSummon(partyId, summon, position)
                .then(response => storeGridSummon(response.data.grid_summon))
        }
    }

    async function saveSummon(partyId: string, summon: Summon, position: number) {
        let uncapLevel = 3
        if (summon.uncap.ulb) uncapLevel = 5
        else if (summon.uncap.flb) uncapLevel = 4
        
        return await api.endpoints.summons.create({
            'summon': {
                'party_id': partyId,
                'summon_id': summon.id,
                'position': position,
                'main': (position == -1),
                'friend': (position == 6),
                'uncap_level': uncapLevel
            }
        }, headers)
    }

    function storeGridSummon(gridSummon: GridSummon) {
        if (gridSummon.position == -1) {
            setMainSummon(gridSummon)
        } else if (gridSummon.position == 6) {
            setFriendSummon(gridSummon)
        } else {
            // Store the grid unit at the correct position
            let newSummons = Object.assign({}, summons)
            newSummons[gridSummon.position] = gridSummon
            setSummons(newSummons)
        }
    }

    // Methods: Updating uncap level
    // Note: Saves, but debouncing is not working properly
    async function saveUncap(id: string, position: number, uncapLevel: number) {
        try {
            await api.updateUncap('summon', id, uncapLevel)
                .then(response => {
                    storeGridSummon(response.data.grid_summon)
                })
        } catch (error) {
            console.error(error)

            // Revert optimistic UI
            updateUncapLevel(position, previousUncapValues[position])

            // Remove optimistic key
            let newPreviousValues = {...previousUncapValues}
            delete newPreviousValues[position]
            setPreviousUncapValues(newPreviousValues)
        }
    }

    const initiateUncapUpdate = useCallback(
        (id: string, position: number, uncapLevel: number) => {
            memoizeAction(id, position, uncapLevel)

            // Save the current value in case of an unexpected result
            let newPreviousValues = {...previousUncapValues}
            newPreviousValues[position] = summons[position].uncap_level
            setPreviousUncapValues(newPreviousValues)

            // Optimistically update UI
            updateUncapLevel(position, uncapLevel)
        }, [previousUncapValues, summons]
    )

    const memoizeAction = useCallback(
        (id: string, position: number, uncapLevel: number) => {
            debouncedAction(id, position, uncapLevel)
        }, [props]
    )

    const debouncedAction = useMemo(() =>
        debounce((id, position, number) => {
            saveUncap(id, position, number)
        }, 500), [props, saveUncap]
    )

    const updateUncapLevel = (position: number, uncapLevel: number) => {
        let newSummons = Object.assign({}, summons)
        newSummons[position].uncap_level = uncapLevel
        setSummons(newSummons)
    }

    // Render: JSX components
    const mainSummonElement = (
        <div className="LabeledUnit">
            <div className="Label">Main Summon</div>
            <SummonUnit
                gridSummon={props.mainSummon}
                editable={props.editable}
                key="grid_main_summon"
                position={-1}
                unitType={0}
                onClick={() => { openSearchModal(-1) }}
                updateUncap={initiateUncapUpdate}
            />
        </div>
    )

    const friendSummonElement = (
        <div className="LabeledUnit">
            <div className="Label">Friend Summon</div>
            <SummonUnit
                gridSummon={props.friendSummon}
                editable={props.editable}
                key="grid_friend_summon"
                position={6}
                unitType={2}
                onClick={() => { openSearchModal(6) }}
                updateUncap={initiateUncapUpdate}
            />
        </div>
    )
    const summonGridElement = (
        <div id="LabeledGrid">
            <div className="Label">Summons</div>
            <ul id="grid_summons">
                {Array.from(Array(numSummons)).map((x, i) => {
                    return (<li key={`grid_unit_${i}`} >
                        <SummonUnit 
                            gridSummon={props.summons[i]}
                            editable={props.editable}
                            position={i} 
                            unitType={1}
                            onClick={() => { openSearchModal(i) }}
                            updateUncap={initiateUncapUpdate}
                        />
                    </li>)
                })}
            </ul>
        </div>
    )
    const subAuraSummonElement = (
        <ExtraSummons 
            grid={props.summons} 
            editable={props.editable} 
            exists={false} 
            offset={numSummons}
            onClick={openSearchModal}
            updateUncap={initiateUncapUpdate}
        />
    )
    return (
        <div>
            <div className="SummonGrid">
                { mainSummonElement }
                { friendSummonElement }
                { summonGridElement }
            </div>
            
            { subAuraSummonElement }

            {open ? (
                <SearchModal 
                    grid={searchGrid}
                    close={closeModal}
                    send={receiveSummonFromSearch}
                    fromPosition={itemPositionForSearch}
                    object="summons"
                    placeholderText="Search for a summon..."
                />
            ) : null}
        </div>
    )
}

export default SummonGrid