<script context="module" lang="ts">
	import type { Load } from '@sveltejs/kit';
	export const load: Load = async ({ stuff }) => {
		try {
			return {
				props: {
					...stuff
				}
			};
		} catch (error: any) {
			return {
				status: 500,
				error: new Error(error)
			};
		}
	};
</script>

<script lang="ts">
	export let settings: any;
	import Setting from '$lib/components/Setting.svelte';
	import { del, get, post } from '$lib/api';
	import { browser } from '$app/env';
	import { t } from '$lib/translations';
	import { addToast, appSession, features } from '$lib/store';
	import { asyncSleep, errorNotification, getDomain } from '$lib/common';
	import Menu from './_Menu.svelte';
	import Explainer from '$lib/components/Explainer.svelte';

	let isAPIDebuggingEnabled = settings.isAPIDebuggingEnabled;
	let isRegistrationEnabled = settings.isRegistrationEnabled;
	let dualCerts = settings.dualCerts;
	let isAutoUpdateEnabled = settings.isAutoUpdateEnabled;
	let isDNSCheckEnabled = settings.isDNSCheckEnabled;
	let DNSServers = settings.DNSServers;
	let minPort = settings.minPort;
	let maxPort = settings.maxPort;

	let forceSave = false;
	let fqdn = settings.fqdn;
	let nonWWWDomain = fqdn && getDomain(fqdn).replace(/^www\./, '');
	let isNonWWWDomainOK = false;
	let isWWWDomainOK = false;
	let isFqdnSet = !!settings.fqdn;
	let loading = {
		save: false,
		remove: false,
		proxyMigration: false,
		restart: false
	};

	async function removeFqdn() {
		if (fqdn) {
			loading.remove = true;
			try {
				const { redirect } = await del(`/settings`, { fqdn });
				return redirect ? window.location.replace(redirect) : window.location.reload();
			} catch (error) {
				return errorNotification(error);
			} finally {
				loading.remove = false;
			}
		}
	}
	async function changeSettings(name: any) {
		try {
			resetView();
			if (name === 'isRegistrationEnabled') {
				isRegistrationEnabled = !isRegistrationEnabled;
			}
			if (name === 'dualCerts') {
				dualCerts = !dualCerts;
			}
			if (name === 'isAutoUpdateEnabled') {
				isAutoUpdateEnabled = !isAutoUpdateEnabled;
			}
			if (name === 'isDNSCheckEnabled') {
				isDNSCheckEnabled = !isDNSCheckEnabled;
			}
			if (name === 'isAPIDebuggingEnabled') {
				isAPIDebuggingEnabled = !isAPIDebuggingEnabled;
			}
			await post(`/settings`, {
				isAPIDebuggingEnabled,
				isRegistrationEnabled,
				dualCerts,
				isAutoUpdateEnabled,
				isDNSCheckEnabled
			});
			return addToast({
				message: t.get('application.settings_saved'),
				type: 'success'
			});
		} catch (error) {
			return errorNotification(error);
		}
	}
	async function handleSubmit() {
		try {
			loading.save = true;
			nonWWWDomain = fqdn && getDomain(fqdn).replace(/^www\./, '');

			if (fqdn !== settings.fqdn) {
				await post(`/settings/check`, { fqdn, forceSave, dualCerts, isDNSCheckEnabled });
				await post(`/settings`, { fqdn });
				return window.location.reload();
			}
			if (minPort !== settings.minPort || maxPort !== settings.maxPort) {
				await post(`/settings`, { minPort, maxPort });
				settings.minPort = minPort;
				settings.maxPort = maxPort;
			}
			if (DNSServers !== settings.DNSServers) {
				await post(`/settings`, { DNSServers });
				settings.DNSServers = DNSServers;
			}
			forceSave = false;
			return addToast({
				message: 'Configuration saved.',
				type: 'success'
			});
		} catch (error: any) {
			if (error.message?.startsWith($t('application.dns_not_set_partial_error'))) {
				forceSave = true;
				if (dualCerts) {
					isNonWWWDomainOK = await isDNSValid(getDomain(nonWWWDomain), false);
					isWWWDomainOK = await isDNSValid(getDomain(`www.${nonWWWDomain}`), true);
				} else {
					const isWWW = getDomain(settings.fqdn).includes('www.');
					if (isWWW) {
						isWWWDomainOK = await isDNSValid(getDomain(`www.${nonWWWDomain}`), true);
					} else {
						isNonWWWDomainOK = await isDNSValid(getDomain(nonWWWDomain), false);
					}
				}
			}
			return errorNotification(error);
		} finally {
			loading.save = false;
		}
	}
	async function isDNSValid(domain: any, isWWW: any) {
		try {
			await get(`/settings/check?domain=${domain}`);
			addToast({
				message: 'DNS configuration is valid.',
				type: 'success'
			});
			isWWW ? (isWWWDomainOK = true) : (isNonWWWDomainOK = true);
			return true;
		} catch (error) {
			errorNotification(error);
			isWWW ? (isWWWDomainOK = false) : (isNonWWWDomainOK = false);
			return false;
		}
	}
	function resetView() {
		forceSave = false;
	}
	async function restartCoolify() {
		const sure = confirm(
			'Are you sure you would like to restart Coolify? Currently running deployments will be stopped and restarted.'
		);
		if (sure) {
			loading.restart = true;
			try {
				await post(`/internal/restart`, {});
				await asyncSleep(10000);
				let reachable = false;
				let tries = 0;
				do {
					await asyncSleep(4000);
					try {
						await get(`/undead`);
						reachable = true;
					} catch (error) {
						reachable = false;
					}
					if (reachable) break;
					tries++;
				} while (!reachable || tries < 120);
				addToast({
					message: 'New version reachable. Reloading...',
					type: 'success'
				});
				await asyncSleep(3000);
				return window.location.reload();
			} catch (error) {
				return errorNotification(error);
			} finally {
				loading.restart = false;
			}
		}
	}
</script>

<div class="flex space-x-1 p-6 font-bold">
	<div class="mr-4 text-2xl tracking-tight">{$t('index.settings')}</div>
</div>
<div class="mx-auto w-full">
	<div class="flex lg:flex-row flex-col">
		<Menu />
		<div class="mt-5">
			<form on:submit|preventDefault={handleSubmit}>
				<div
					class="flex flex-col space-y-4 p-6 lg:p-0 lg:flex-row lg:space-y0 lg:space-x-4 w-full lg:justify-between lg:items-center mb-5"
				>
					<div class="title font-bold">{$t('index.global_settings')}</div>
					<div class="flex lg:flex-row lg:space-x-4 flex-col space-y-4 lg:space-y-0">
						<button
							class="btn btn-sm bg-settings text-black"
							type="submit"
							class:bg-orange-600={forceSave}
							class:hover:bg-orange-400={forceSave}
							disabled={loading.save}
							>{loading.save
								? $t('forms.saving')
								: forceSave
								? $t('forms.confirm_continue')
								: $t('forms.save')}</button
						>

						{#if isFqdnSet}
							<button
								on:click|preventDefault={removeFqdn}
								disabled={loading.remove}
								class="btn btn-sm"
								>{loading.remove ? $t('forms.removing') : $t('forms.remove_domain')}</button
							>
						{/if}
						<button
							on:click={restartCoolify}
							class:loading={loading.restart}
							class="btn btn-sm bg-red-600 hover:bg-red-500">Restart Coolify</button
						>
					</div>
				</div>
				<div class="grid gap-4 grid-cols-2 auto-rows-max lg:px-10 p-6">
					<div class="pt-2 text-base font-bold text-stone-100">
						{$t('application.url_fqdn')}
						<Explainer explanation={$t('setting.ssl_explainer')} />
					</div>
					<input
						class="w-full"
						bind:value={fqdn}
						readonly={!$appSession.isAdmin || isFqdnSet}
						disabled={!$appSession.isAdmin || isFqdnSet}
						on:input={resetView}
						name="fqdn"
						id="fqdn"
						pattern="^https?://([a-z0-9]+(-[a-z0-9]+)*\.)+[a-z]{'{'}2,{'}'}$"
						placeholder="{$t('forms.eg')}: https://coolify.io"
					/>

					{#if forceSave}
						<div class="flex-col space-y-2 pt-4 text-center">
							{#if isNonWWWDomainOK}
								<button
									class="btn btn-sm bg-success"
									on:click|preventDefault={() => isDNSValid(getDomain(nonWWWDomain), false)}
									>DNS settings for {nonWWWDomain} is OK, click to recheck.</button
								>
							{:else}
								<button
									class="btn btn-sm bg-error"
									on:click|preventDefault={() => isDNSValid(getDomain(nonWWWDomain), false)}
									>DNS settings for {nonWWWDomain} is invalid, click to recheck.</button
								>
							{/if}
							{#if dualCerts}
								{#if isWWWDomainOK}
									<button
										class="btn btn-sm bg-success"
										on:click|preventDefault={() =>
											isDNSValid(getDomain(`www.${nonWWWDomain}`), true)}
										>DNS settings for www.{nonWWWDomain} is OK, click to recheck.</button
									>
								{:else}
									<button
										class="btn btn-sm bg-error"
										on:click|preventDefault={() =>
											isDNSValid(getDomain(`www.${nonWWWDomain}`), true)}
										>DNS settings for www.{nonWWWDomain} is invalid, click to recheck.</button
									>
								{/if}
							{/if}
						</div>
					{/if}
					<div class="pt-2 text-base font-bold text-stone-100">
						{$t('forms.public_port_range')}
						<Explainer explanation={$t('forms.public_port_range_explainer')} />
					</div>
					<div class="flex flex-row items-center space-x-2">
						<input
							class="h-8 w-full px-2"
							type="number"
							bind:value={minPort}
							min="1024"
							max={maxPort}
						/>
						<p>-</p>
						<input
							class="h-8 w-full px-2"
							type="number"
							bind:value={maxPort}
							min={minPort}
							max="65543"
						/>
					</div>
					<Setting
						id="isDNSCheckEnabled"
						bind:setting={isDNSCheckEnabled}
						title={$t('setting.is_dns_check_enabled')}
						description={$t('setting.is_dns_check_enabled_explainer')}
						on:click={() => changeSettings('isDNSCheckEnabled')}
					/>
					<div class="text-base font-bold text-stone-100">
						Custom DNS servers <Explainer
							explanation="You can specify a custom DNS server to verify your domains all over Coolify.<br><br>By default, the OS defined DNS servers are used."
						/>
					</div>
					<input class="w-full" placeholder="1.1.1.1,8.8.8.8" bind:value={DNSServers} />
					<Setting
						id="dualCerts"
						dataTooltip={$t('setting.must_remove_domain_before_changing')}
						disabled={isFqdnSet}
						bind:setting={dualCerts}
						title={$t('application.ssl_www_and_non_www')}
						description={$t('setting.generate_www_non_www_ssl')}
						on:click={() => !isFqdnSet && changeSettings('dualCerts')}
					/>
					<Setting
						id="isRegistrationEnabled"
						bind:setting={isRegistrationEnabled}
						title={$t('setting.registration_allowed')}
						description={$t('setting.registration_allowed_explainer')}
						on:click={() => changeSettings('isRegistrationEnabled')}
					/>
					<Setting
						id="isAPIDebuggingEnabled"
						bind:setting={isAPIDebuggingEnabled}
						title="API Debugging"
						description="Enable API debugging. This will log all API requests and responses.<br><br>You need to restart the Coolify for this to take effect."
						on:click={() => changeSettings('isAPIDebuggingEnabled')}
					/>
					{#if browser && $features.beta}
						<Setting
							id="isAutoUpdateEnabled"
							bind:setting={isAutoUpdateEnabled}
							title={$t('setting.auto_update_enabled')}
							description={$t('setting.auto_update_enabled_explainer')}
							on:click={() => changeSettings('isAutoUpdateEnabled')}
						/>
					{/if}
				</div>
			</form>
		</div>
	</div>
</div>
