<!--
  -   This file is a part of the SteamWar software.
  -
  -   Copyright (C) 2023 SteamWar.de-Serverteam
  -
  -   This program is free software: you can redistribute it and/or modify
  -   it under the terms of the GNU Affero General Public License as published by
  -   the Free Software Foundation, either version 3 of the License, or
  -   (at your option) any later version.
  -
  -   This program is distributed in the hope that it will be useful,
  -   but WITHOUT ANY WARRANTY; without even the implied warranty of
  -   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  -   GNU Affero General Public License for more details.
  -
  -   You should have received a copy of the GNU Affero General Public License
  -   along with this program.  If not, see <https://www.gnu.org/licenses/>.
  -->

<script lang="ts">
    import {Button, Card, Checkbox, Input, Label, Navbar, NavBrand, Radio, Spinner} from "flowbite-svelte";
    import {ArrowLeftSolid} from "flowbite-svelte-icons";
    import {players} from "@stores/stores.ts";
    import {capitalize} from "../util.ts";
    import {permsRepo} from "@repo/perms.ts";

    let search = "";
    $: lowerCaseSearch = search.toLowerCase();
    $: filteredPlayers = $players.filter(value => value.name.toLowerCase().includes(lowerCaseSearch));

    let selectedPlayer: number | null = null;
    $: player = $players.find(value => value.id === selectedPlayer);
    let playerPerms = loadPlayer(selectedPlayer);
    $: playerPerms = loadPlayer(selectedPlayer);

    let prefixEdit = "PREFIX_NONE";
    let activePerms: string[] = [];

    function loadPlayer(id: number | null) {
        if (!id) {
            return;
        }
        return $permsRepo.getPerms(id).then(value => {
            activePerms = value.perms;
            prefixEdit = value.prefix.name;
            return value;
        });
    }

    function togglePerm(perm: string) {
        return () => {
            if (activePerms.includes(perm)) {
                activePerms = activePerms.filter(value => value !== perm);
            } else {
                activePerms = [...activePerms, perm];
            }
        };
    }

    function save() {
        playerPerms!.then(async perms => {
            if (perms.prefix.name != prefixEdit) {
                await $permsRepo.setPrefix(selectedPlayer!, prefixEdit);
            }

            for (let value of activePerms) {
                if (!perms.perms.includes(value)) {
                    await $permsRepo.addPerm(selectedPlayer!, value);
                }
            }

            for (let value of perms.perms) {
                if (!activePerms.includes(value)) {
                    await $permsRepo.removePerm(selectedPlayer!, value);
                }
            }

            playerPerms = loadPlayer(selectedPlayer);
        });
    }

    let permsFuture = $permsRepo.listPerms();
</script>

<div class="flex flex-col h-screen overflow-hidden">
    <Navbar let:hidden let:toggle>
        <NavBrand href="#">
            <ArrowLeftSolid></ArrowLeftSolid>
            <span class="ml-4 self-center whitespace-nowrap text-xl font-semibold dark:text-white">
                Permissions
            </span>
        </NavBrand>
    </Navbar>

    <div class="p-4 flex-1 overflow-hidden">
        <div class="grid md:grid-cols-3 grid-cols-1 h-full gap-8">
            <Card class="h-full flex flex-col overflow-hidden !max-w-full">
                <div class="border-b border-b-gray-600 pb-2">
                    <Label for="user_search" class="mb-2">Search Users...</Label>
                    <Input type="text" id="user_search" placeholder="Name..." bind:value={search}/>
                </div>
                {#if filteredPlayers.length < 100}
                    <ul class="flex-1 overflow-scroll">
                        {#each filteredPlayers as player (player.id)}
                            <li class="p-4 transition-colors hover:bg-gray-700 cursor-pointer"
                                class:text-orange-500={player.id === selectedPlayer}
                                on:click|preventDefault={() => selectedPlayer = player.id}>
                                {player.name}
                            </li>
                        {/each}
                    </ul>
                {/if}
            </Card>
            <Card class="!max-w-full" style="grid-column: 2/4">
                {#if selectedPlayer}
                    <h1 class="text-3xl">{player.name}</h1>
                    {#await permsFuture}
                        <Spinner></Spinner>
                    {:then perms}
                        {#await playerPerms}
                            <Spinner></Spinner>
                        {:then player}
                            <h1>Prefix</h1>
                            {#each Object.entries(perms.prefixes) as [key, prefix]}
                                <Radio name="prefix" bind:group={prefixEdit}
                                       value={prefix.name}>{capitalize(prefix.name.substring(7).toLowerCase())}</Radio>
                            {/each}
                            <h1>Permissions</h1>
                            {#each perms.perms as perm}
                                <Checkbox checked={activePerms.includes(perm)}
                                          on:click={togglePerm(perm)}>{capitalize(perm.toLowerCase())}</Checkbox>
                            {/each}
                            <div class="mt-4">
                                <Button disabled={prefixEdit === player.prefix.name && activePerms === player.perms}
                                        on:click={save}>Save
                                </Button>
                            </div>
                        {:catch error}
                            <p>{error.toString()}</p>
                        {/await}
                    {:catch error}
                        <p>{error.toString()}</p>
                    {/await}
                {/if}
            </Card>
        </div>
    </div>
</div>
