<script>
    import { invoke } from '@tauri-apps/api/tauri';
    import { type } from '@tauri-apps/api/os';

    import { appState } from '../lib/state.js';
    import Nav from '../ui/Nav.svelte';
    import Link from '../ui/Link.svelte';
    import ErrorAlert from '../ui/ErrorAlert.svelte';
    import SettingsGroup from '../ui/settings/SettingsGroup.svelte';
    import Keybind from '../ui/settings/Keybind.svelte';
    import { Setting, ToggleSetting, NumericSetting, FileSetting, TextSetting } from '../ui/settings';

    import { fly } from 'svelte/transition';
    import { backInOut } from 'svelte/easing';


    // make an independent copy so it can differ from the main config object
    let config = JSON.parse(JSON.stringify($appState.config));
    $: configModified = JSON.stringify(config) !== JSON.stringify($appState.config);

    let error = null;
    async function save() {
        console.log('updating config');
        try {
            await invoke('save_config', {config});
            $appState.config = await invoke('get_config');
        }
        catch (e) {
            error = e;
        }
    }

    let osType = null;
    type().then(t => osType = t);
</script>


<Nav>
    <h1 slot="title" class="text-2xl font-bold">Settings</h1>
</Nav>

<div class="max-w-lg mx-auto mt-1.5 mb-24 p-4 space-y-16">
    <SettingsGroup name="General">            
        <ToggleSetting title="Start on login" bind:value={config.start_on_login}>
            <svelte:fragment slot="description">
                Start Creddy when you log in to your computer.
            </svelte:fragment>
        </ToggleSetting>

        <ToggleSetting title="Start minimized" bind:value={config.start_minimized}>
            <svelte:fragment slot="description">
                Minimize to the system tray at startup.
            </svelte:fragment>
        </ToggleSetting>

        <NumericSetting title="Re-hide delay" bind:value={config.rehide_ms} min={0} unit="Milliseconds">
            <svelte:fragment slot="description">
                How long to wait after a request is approved/denied before minimizing
                the window to tray. Only applicable if the window was minimized
                to tray before the request was received.
            </svelte:fragment>
        </NumericSetting>

        <Setting title="Update credentials">
            <Link slot="input" target="EnterCredentials">
                <button class="btn btn-sm btn-primary">Update</button>
            </Link>
            <svelte:fragment slot="description">
                Update or re-enter your encrypted credentials.
            </svelte:fragment>
        </Setting>

        <FileSetting
            title="Terminal emulator"
            bind:value={config.terminal.exec}
        
        >
            <svelte:fragment slot="description">
                Choose your preferred terminal emulator (e.g. <code>gnome-terminal</code> or <code>wt.exe</code>.) May be an absolute path or an executable discoverable on <code>$PATH</code>.
            </svelte:fragment>
        </FileSetting>
    </SettingsGroup>

    <SettingsGroup name="Hotkeys">
        <div class="space-y-4">
            <p>Click on a keybinding to modify it. Use the checkbox to enable or disable a keybinding entirely.</p>

            <div class="grid grid-cols-[auto_1fr_auto] gap-y-3 items-center">
                <Keybind description="Show Creddy" bind:value={config.hotkeys.show_window} />
                <Keybind description="Launch terminal" bind:value={config.hotkeys.launch_terminal} />
            </div>
        </div>
    </SettingsGroup>

</div>

{#if error}
    <div transition:fly={{y: 100, easing: backInOut, duration: 400}} class="toast">
        <div class="alert alert-error no-animation">
            <div>
                <span>{error}</span>
            </div>

            <div>
                <button class="btn btn-sm btn-alert-error" on:click={() => error = null}>Ok</button>
            </div>
        </div>
    </div>
{:else if configModified}
    <div transition:fly={{y: 100, easing: backInOut, duration: 400}} class="toast">
        <div class="alert shadow-lg no-animation">
            <span>You have unsaved changes.</span>

            <div>
                <!-- <button class="btn btn-sm btn-ghost">Cancel</button> -->
                <buton class="btn btn-sm btn-primary" on:click={save}>Save</buton>
            </div>
        </div>
    </div>
{/if}
