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<script lang="ts">
import { invoke } from "@tauri-apps/api/core";
import type {
FabricGameVersion,
FabricLoaderVersion,
ForgeVersion,
ModLoaderType,
} from "../types";
interface Props {
selectedGameVersion: string;
onInstall: (versionId: string) => void;
}
let { selectedGameVersion, onInstall }: Props = $props();
// State
let selectedLoader = $state<ModLoaderType>("vanilla");
let isLoading = $state(false);
let error = $state<string | null>(null);
// Fabric state
let fabricLoaders = $state<FabricLoaderVersion[]>([]);
let selectedFabricLoader = $state("");
// Forge state
let forgeVersions = $state<ForgeVersion[]>([]);
let selectedForgeVersion = $state("");
// Load mod loader versions when game version changes
$effect(() => {
if (selectedGameVersion && selectedLoader !== "vanilla") {
loadModLoaderVersions();
}
});
async function loadModLoaderVersions() {
isLoading = true;
error = null;
try {
if (selectedLoader === "fabric") {
const loaders = await invoke<any[]>("get_fabric_loaders_for_version", {
gameVersion: selectedGameVersion,
});
fabricLoaders = loaders.map((l) => l.loader);
if (fabricLoaders.length > 0) {
// Select first stable version or first available
const stable = fabricLoaders.find((l) => l.stable);
selectedFabricLoader = stable?.version || fabricLoaders[0].version;
}
} else if (selectedLoader === "forge") {
forgeVersions = await invoke<ForgeVersion[]>(
"get_forge_versions_for_game",
{
gameVersion: selectedGameVersion,
}
);
if (forgeVersions.length > 0) {
// Select recommended version first, then latest
const recommended = forgeVersions.find((v) => v.recommended);
const latest = forgeVersions.find((v) => v.latest);
selectedForgeVersion =
recommended?.version || latest?.version || forgeVersions[0].version;
}
}
} catch (e) {
error = `Failed to load ${selectedLoader} versions: ${e}`;
console.error(e);
} finally {
isLoading = false;
}
}
async function installModLoader() {
if (!selectedGameVersion) {
error = "Please select a Minecraft version first";
return;
}
isLoading = true;
error = null;
try {
if (selectedLoader === "fabric" && selectedFabricLoader) {
const result = await invoke<any>("install_fabric", {
gameVersion: selectedGameVersion,
loaderVersion: selectedFabricLoader,
});
onInstall(result.id);
} else if (selectedLoader === "forge" && selectedForgeVersion) {
const result = await invoke<any>("install_forge", {
gameVersion: selectedGameVersion,
forgeVersion: selectedForgeVersion,
});
onInstall(result.id);
}
} catch (e) {
error = `Failed to install ${selectedLoader}: ${e}`;
console.error(e);
} finally {
isLoading = false;
}
}
function onLoaderChange(loader: ModLoaderType) {
selectedLoader = loader;
error = null;
if (loader !== "vanilla" && selectedGameVersion) {
loadModLoaderVersions();
}
}
</script>
<div class="bg-zinc-800 rounded-lg p-4 border border-zinc-700">
<h3 class="text-sm font-semibold text-zinc-400 mb-3">Mod Loader</h3>
<!-- Loader Type Tabs -->
<div class="flex gap-1 mb-4 bg-zinc-900 rounded-lg p-1">
<button
class="flex-1 px-3 py-2 rounded-md text-sm font-medium transition-colors {selectedLoader ===
'vanilla'
? 'bg-zinc-700 text-white'
: 'text-zinc-400 hover:text-white hover:bg-zinc-800'}"
onclick={() => onLoaderChange("vanilla")}
>
Vanilla
</button>
<button
class="flex-1 px-3 py-2 rounded-md text-sm font-medium transition-colors {selectedLoader ===
'fabric'
? 'bg-blue-600 text-white'
: 'text-zinc-400 hover:text-white hover:bg-zinc-800'}"
onclick={() => onLoaderChange("fabric")}
>
Fabric
</button>
<button
class="flex-1 px-3 py-2 rounded-md text-sm font-medium transition-colors {selectedLoader ===
'forge'
? 'bg-orange-600 text-white'
: 'text-zinc-400 hover:text-white hover:bg-zinc-800'}"
onclick={() => onLoaderChange("forge")}
>
Forge
</button>
</div>
{#if selectedLoader === "vanilla"}
<p class="text-sm text-zinc-500">
Launch the selected Minecraft version without any mod loaders.
</p>
{:else if !selectedGameVersion}
<p class="text-sm text-zinc-500">
Select a Minecraft version first to see available {selectedLoader} versions.
</p>
{:else if isLoading}
<div class="flex items-center gap-2 text-sm text-zinc-400">
<svg
class="animate-spin h-4 w-4"
xmlns="http://www.w3.org/2000/svg"
fill="none"
viewBox="0 0 24 24"
>
<circle
class="opacity-25"
cx="12"
cy="12"
r="10"
stroke="currentColor"
stroke-width="4"
></circle>
<path
class="opacity-75"
fill="currentColor"
d="M4 12a8 8 0 018-8V0C5.373 0 0 5.373 0 12h4zm2 5.291A7.962 7.962 0 014 12H0c0 3.042 1.135 5.824 3 7.938l3-2.647z"
></path>
</svg>
Loading {selectedLoader} versions...
</div>
{:else if error}
<p class="text-sm text-red-400">{error}</p>
{:else if selectedLoader === "fabric"}
<div class="space-y-3">
<div>
<label for="fabric-loader-select" class="block text-xs text-zinc-500 mb-1"
>Loader Version</label
>
<select
id="fabric-loader-select"
class="w-full bg-zinc-900 border border-zinc-700 rounded px-3 py-2 text-sm focus:outline-none focus:border-blue-500"
bind:value={selectedFabricLoader}
>
{#each fabricLoaders as loader}
<option value={loader.version}>
{loader.version}
{loader.stable ? "(stable)" : ""}
</option>
{/each}
</select>
</div>
<button
class="w-full bg-blue-600 hover:bg-blue-700 text-white py-2 px-4 rounded font-medium text-sm transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
onclick={installModLoader}
disabled={isLoading || !selectedFabricLoader}
>
Install Fabric {selectedFabricLoader}
</button>
</div>
{:else if selectedLoader === "forge"}
<div class="space-y-3">
{#if forgeVersions.length === 0}
<p class="text-sm text-zinc-500">
No Forge versions available for Minecraft {selectedGameVersion}
</p>
{:else}
<div>
<label for="forge-version-select" class="block text-xs text-zinc-500 mb-1"
>Forge Version</label
>
<select
id="forge-version-select"
class="w-full bg-zinc-900 border border-zinc-700 rounded px-3 py-2 text-sm focus:outline-none focus:border-orange-500"
bind:value={selectedForgeVersion}
>
{#each forgeVersions as version}
<option value={version.version}>
{version.version}
{version.recommended ? "⭐ recommended" : ""}
{version.latest ? "(latest)" : ""}
</option>
{/each}
</select>
</div>
<button
class="w-full bg-orange-600 hover:bg-orange-700 text-white py-2 px-4 rounded font-medium text-sm transition-colors disabled:opacity-50 disabled:cursor-not-allowed"
onclick={installModLoader}
disabled={isLoading || !selectedForgeVersion}
>
Install Forge {selectedForgeVersion}
</button>
{/if}
</div>
{/if}
</div>
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