<script>
	import { WEBUI_API_BASE_URL } from '$lib/constants';
	import { WEBUI_NAME, config, user } from '$lib/stores';
	import { goto } from '$app/navigation';
	import { onMount, getContext } from 'svelte';

	import dayjs from 'dayjs';
	import relativeTime from 'dayjs/plugin/relativeTime';
	dayjs.extend(relativeTime);

	import { toast } from 'svelte-sonner';

	import { updateUserRole, getUsers, deleteUserById } from '$lib/apis/users';
	import { getSignUpEnabledStatus, toggleSignUpEnabledStatus } from '$lib/apis/auths';
	import EditUserModal from '$lib/components/admin/EditUserModal.svelte';
	import SettingsModal from '$lib/components/admin/SettingsModal.svelte';
	import Pagination from '$lib/components/common/Pagination.svelte';
	import ChatBubbles from '$lib/components/icons/ChatBubbles.svelte';
	import Tooltip from '$lib/components/common/Tooltip.svelte';
	import UserChatsModal from '$lib/components/admin/UserChatsModal.svelte';

	const i18n = getContext('i18n');

	let loaded = false;
	let users = [];

	let search = '';
	let selectedUser = null;

	let page = 1;

	let showSettingsModal = false;

	let showUserChatsModal = false;
	let showEditUserModal = false;

	const updateRoleHandler = async (id, role) => {
		const res = await updateUserRole(localStorage.token, id, role).catch((error) => {
			toast.error(error);
			return null;
		});

		if (res) {
			users = await getUsers(localStorage.token);
		}
	};

	const editUserPasswordHandler = async (id, password) => {
		const res = await deleteUserById(localStorage.token, id).catch((error) => {
			toast.error(error);
			return null;
		});
		if (res) {
			users = await getUsers(localStorage.token);
			toast.success($i18n.t('Successfully updated.'));
		}
	};

	const deleteUserHandler = async (id) => {
		const res = await deleteUserById(localStorage.token, id).catch((error) => {
			toast.error(error);
			return null;
		});
		if (res) {
			users = await getUsers(localStorage.token);
		}
	};

	onMount(async () => {
		if ($user?.role !== 'admin') {
			await goto('/');
		} else {
			users = await getUsers(localStorage.token);
		}
		loaded = true;
	});
</script>

<svelte:head>
	<title>{$i18n.t('Admin Panel')} | {$WEBUI_NAME}</title>
</svelte:head>

{#key selectedUser}
	<EditUserModal
		bind:show={showEditUserModal}
		{selectedUser}
		sessionUser={$user}
		on:save={async () => {
			users = await getUsers(localStorage.token);
		}}
	/>
{/key}

<UserChatsModal bind:show={showUserChatsModal} user={selectedUser} />
<SettingsModal bind:show={showSettingsModal} />

<div class="min-h-screen max-h-[100dvh] w-full flex justify-center dark:text-white">
	{#if loaded}
		<div class=" flex flex-col justify-between w-full overflow-y-auto">
			<div class=" mx-auto w-full">
				<div class="w-full">
					<div class=" flex flex-col justify-center">
						<div class=" px-5 pt-3">
							<div class=" flex justify-between items-center">
								<div class="flex items-center text-2xl font-semibold">Dashboard</div>
								<div>
									<button
										class="flex items-center space-x-1 px-3 py-1.5 rounded-xl bg-gray-50 hover:bg-gray-100 dark:bg-gray-800 dark:hover:bg-gray-700 transition"
										type="button"
										on:click={() => {
											showSettingsModal = !showSettingsModal;
										}}
									>
										<svg
											xmlns="http://www.w3.org/2000/svg"
											viewBox="0 0 16 16"
											fill="currentColor"
											class="w-4 h-4"
										>
											<path
												fill-rule="evenodd"
												d="M6.955 1.45A.5.5 0 0 1 7.452 1h1.096a.5.5 0 0 1 .497.45l.17 1.699c.484.12.94.312 1.356.562l1.321-1.081a.5.5 0 0 1 .67.033l.774.775a.5.5 0 0 1 .034.67l-1.08 1.32c.25.417.44.873.561 1.357l1.699.17a.5.5 0 0 1 .45.497v1.096a.5.5 0 0 1-.45.497l-1.699.17c-.12.484-.312.94-.562 1.356l1.082 1.322a.5.5 0 0 1-.034.67l-.774.774a.5.5 0 0 1-.67.033l-1.322-1.08c-.416.25-.872.44-1.356.561l-.17 1.699a.5.5 0 0 1-.497.45H7.452a.5.5 0 0 1-.497-.45l-.17-1.699a4.973 4.973 0 0 1-1.356-.562L4.108 13.37a.5.5 0 0 1-.67-.033l-.774-.775a.5.5 0 0 1-.034-.67l1.08-1.32a4.971 4.971 0 0 1-.561-1.357l-1.699-.17A.5.5 0 0 1 1 8.548V7.452a.5.5 0 0 1 .45-.497l1.699-.17c.12-.484.312-.94.562-1.356L2.629 4.107a.5.5 0 0 1 .034-.67l.774-.774a.5.5 0 0 1 .67-.033L5.43 3.71a4.97 4.97 0 0 1 1.356-.561l.17-1.699ZM6 8c0 .538.212 1.026.558 1.385l.057.057a2 2 0 0 0 2.828-2.828l-.058-.056A2 2 0 0 0 6 8Z"
												clip-rule="evenodd"
											/>
										</svg>

										<div class=" text-xs">{$i18n.t('Admin Settings')}</div>
									</button>
								</div>
							</div>
						</div>

						<div class="px-5 flex text-sm gap-2.5">
							<div class="py-3 border-b font-medium text-gray-100 cursor-pointer">Overview</div>
							<!-- <div class="py-3 text-gray-300 cursor-pointer">Users</div> -->
						</div>

						<hr class=" mb-3 dark:border-gray-800" />

						<div class="px-5">
							<div class="mt-0.5 mb-3 flex justify-between">
								<div class="flex text-lg font-medium px-0.5">
									{$i18n.t('All Users')}
									<div class="flex self-center w-[1px] h-6 mx-2.5 bg-gray-200 dark:bg-gray-700" />
									<span class="text-lg font-medium text-gray-500 dark:text-gray-300"
										>{users.length}</span
									>
								</div>

								<div class="">
									<input
										class=" w-60 rounded-lg py-1.5 px-4 text-sm dark:text-gray-300 dark:bg-gray-850 outline-none"
										placeholder={$i18n.t('Search')}
										bind:value={search}
									/>
								</div>
							</div>

							<div class="scrollbar-hidden relative overflow-x-auto whitespace-nowrap">
								<table class="w-full text-sm text-left text-gray-500 dark:text-gray-400 table-auto">
									<thead
										class="text-xs text-gray-700 uppercase bg-gray-50 dark:bg-gray-850 dark:text-gray-400"
									>
										<tr>
											<th scope="col" class="px-3 py-2"> {$i18n.t('Role')} </th>
											<th scope="col" class="px-3 py-2"> {$i18n.t('Name')} </th>
											<th scope="col" class="px-3 py-2"> {$i18n.t('Email')} </th>
											<th scope="col" class="px-3 py-2"> {$i18n.t('Created at')} </th>
											<th scope="col" class="px-3 py-2"> {$i18n.t('Last Active')} </th>

											<th scope="col" class="px-3 py-2 text-right" />
										</tr>
									</thead>
									<tbody>
										{#each users
											.filter((user) => {
												if (search === '') {
													return true;
												} else {
													let name = user.name.toLowerCase();
													const query = search.toLowerCase();
													return name.includes(query);
												}
											})
											.slice((page - 1) * 20, page * 20) as user}
											<tr class="bg-white border-b dark:bg-gray-900 dark:border-gray-700 text-xs">
												<td class="px-3 py-2 min-w-[7rem] w-28">
													<button
														class=" flex items-center gap-2 text-xs px-3 py-0.5 rounded-lg {user.role ===
															'admin' &&
															'text-sky-600 dark:text-sky-200 bg-sky-200/30'} {user.role ===
															'user' &&
															'text-green-600 dark:text-green-200 bg-green-200/30'} {user.role ===
															'pending' && 'text-gray-600 dark:text-gray-200 bg-gray-200/30'}"
														on:click={() => {
															if (user.role === 'user') {
																updateRoleHandler(user.id, 'admin');
															} else if (user.role === 'pending') {
																updateRoleHandler(user.id, 'user');
															} else {
																updateRoleHandler(user.id, 'pending');
															}
														}}
													>
														<div
															class="w-1 h-1 rounded-full {user.role === 'admin' &&
																'bg-sky-600 dark:bg-sky-300'} {user.role === 'user' &&
																'bg-green-600 dark:bg-green-300'} {user.role === 'pending' &&
																'bg-gray-600 dark:bg-gray-300'}"
														/>
														{$i18n.t(user.role)}</button
													>
												</td>
												<td class="px-3 py-2 font-medium text-gray-900 dark:text-white w-max">
													<div class="flex flex-row w-max">
														<img
															class=" rounded-full w-6 h-6 object-cover mr-2.5"
															src={user.profile_image_url}
															alt="user"
														/>

														<div class=" font-medium self-center">{user.name}</div>
													</div>
												</td>
												<td class=" px-3 py-2"> {user.email} </td>

												<td class=" px-3 py-2">
													{dayjs(user.created_at * 1000).format($i18n.t('MMMM DD, YYYY'))}
												</td>

												<td class=" px-3 py-2">
													{dayjs(user.last_active_at * 1000).fromNow()}
												</td>

												<td class="px-3 py-2 text-right">
													<div class="flex justify-end w-full">
														<Tooltip content="Chats">
															<button
																class="self-center w-fit text-sm px-2 py-2 hover:bg-black/5 dark:hover:bg-white/5 rounded-xl"
																on:click={async () => {
																	showUserChatsModal = !showUserChatsModal;
																	selectedUser = user;
																}}
															>
																<ChatBubbles />
															</button>
														</Tooltip>

														<Tooltip content="Edit User">
															<button
																class="self-center w-fit text-sm px-2 py-2 hover:bg-black/5 dark:hover:bg-white/5 rounded-xl"
																on:click={async () => {
																	showEditUserModal = !showEditUserModal;
																	selectedUser = user;
																}}
															>
																<svg
																	xmlns="http://www.w3.org/2000/svg"
																	fill="none"
																	viewBox="0 0 24 24"
																	stroke-width="1.5"
																	stroke="currentColor"
																	class="w-4 h-4"
																>
																	<path
																		stroke-linecap="round"
																		stroke-linejoin="round"
																		d="m16.862 4.487 1.687-1.688a1.875 1.875 0 1 1 2.652 2.652L6.832 19.82a4.5 4.5 0 0 1-1.897 1.13l-2.685.8.8-2.685a4.5 4.5 0 0 1 1.13-1.897L16.863 4.487Zm0 0L19.5 7.125"
																	/>
																</svg>
															</button>
														</Tooltip>

														<Tooltip content="Delete User">
															<button
																class="self-center w-fit text-sm px-2 py-2 hover:bg-black/5 dark:hover:bg-white/5 rounded-xl"
																on:click={async () => {
																	deleteUserHandler(user.id);
																}}
															>
																<svg
																	xmlns="http://www.w3.org/2000/svg"
																	fill="none"
																	viewBox="0 0 24 24"
																	stroke-width="1.5"
																	stroke="currentColor"
																	class="w-4 h-4"
																>
																	<path
																		stroke-linecap="round"
																		stroke-linejoin="round"
																		d="m14.74 9-.346 9m-4.788 0L9.26 9m9.968-3.21c.342.052.682.107 1.022.166m-1.022-.165L18.16 19.673a2.25 2.25 0 0 1-2.244 2.077H8.084a2.25 2.25 0 0 1-2.244-2.077L4.772 5.79m14.456 0a48.108 48.108 0 0 0-3.478-.397m-12 .562c.34-.059.68-.114 1.022-.165m0 0a48.11 48.11 0 0 1 3.478-.397m7.5 0v-.916c0-1.18-.91-2.164-2.09-2.201a51.964 51.964 0 0 0-3.32 0c-1.18.037-2.09 1.022-2.09 2.201v.916m7.5 0a48.667 48.667 0 0 0-7.5 0"
																	/>
																</svg>
															</button>
														</Tooltip>
													</div>
												</td>
											</tr>
										{/each}
									</tbody>
								</table>
							</div>

							<div class=" text-gray-500 text-xs mt-2 text-right">
								ⓘ {$i18n.t("Click on the user role button to change a user's role.")}
							</div>

							<Pagination bind:page count={users.length} />
						</div>
					</div>
				</div>
			</div>
		</div>
	{/if}
</div>

<style>
	.font-mona {
		font-family: 'Mona Sans';
	}

	.scrollbar-hidden::-webkit-scrollbar {
		display: none; /* for Chrome, Safari and Opera */
	}

	.scrollbar-hidden {
		-ms-overflow-style: none; /* IE and Edge */
		scrollbar-width: none; /* Firefox */
	}
</style>
