From da0d79f0db873c08fab3bc85023167e174d18b0e Mon Sep 17 00:00:00 2001
From: 苏向夜 <fu050409@163.com>
Date: Mon, 19 Jan 2026 14:17:32 +0800
Subject: chore(ui): refactor workspace to monorepo

---
 .../ui/src/components/ModLoaderSelector.svelte     | 455 +++++++++++++++++++++
 1 file changed, 455 insertions(+)
 create mode 100644 packages/ui/src/components/ModLoaderSelector.svelte

(limited to 'packages/ui/src/components/ModLoaderSelector.svelte')

diff --git a/packages/ui/src/components/ModLoaderSelector.svelte b/packages/ui/src/components/ModLoaderSelector.svelte
new file mode 100644
index 0000000..50caa8c
--- /dev/null
+++ b/packages/ui/src/components/ModLoaderSelector.svelte
@@ -0,0 +1,455 @@
+<script lang="ts">
+  import { invoke } from "@tauri-apps/api/core";
+  import { listen, type UnlistenFn } from "@tauri-apps/api/event";
+  import type {
+    FabricGameVersion,
+    FabricLoaderVersion,
+    ForgeVersion,
+    ModLoaderType,
+  } from "../types";
+  import { Loader2, Download, AlertCircle, Check, ChevronDown, CheckCircle } from 'lucide-svelte';
+  import { logsState } from "../stores/logs.svelte";
+  import { instancesState } from "../stores/instances.svelte";
+
+  interface Props {
+    selectedGameVersion: string;
+    onInstall: (versionId: string) => void;
+  }
+
+  let { selectedGameVersion, onInstall }: Props = $props();
+
+  // State
+  let selectedLoader = $state<ModLoaderType>("vanilla");
+  let isLoading = $state(false);
+  let isInstalling = $state(false);
+  let error = $state<string | null>(null);
+  let isVersionInstalled = $state(false);
+
+  // Fabric state
+  let fabricLoaders = $state<FabricLoaderVersion[]>([]);
+  let selectedFabricLoader = $state("");
+  let isFabricDropdownOpen = $state(false);
+
+  // Forge state
+  let forgeVersions = $state<ForgeVersion[]>([]);
+  let selectedForgeVersion = $state("");
+  let isForgeDropdownOpen = $state(false);
+
+  let fabricDropdownRef = $state<HTMLDivElement | null>(null);
+  let forgeDropdownRef = $state<HTMLDivElement | null>(null);
+
+  // Check if version is installed when game version changes
+  $effect(() => {
+    if (selectedGameVersion) {
+      checkInstallStatus();
+    }
+  });
+
+  // Load mod loader versions when game version or loader type changes
+  $effect(() => {
+    if (selectedGameVersion && selectedLoader !== "vanilla") {
+      loadModLoaderVersions();
+    }
+  });
+
+  async function checkInstallStatus() {
+    if (!selectedGameVersion || !instancesState.activeInstanceId) {
+      isVersionInstalled = false;
+      return;
+    }
+    try {
+      isVersionInstalled = await invoke<boolean>("check_version_installed", {
+        instanceId: instancesState.activeInstanceId,
+        versionId: selectedGameVersion,
+      });
+    } catch (e) {
+      console.error("Failed to check install status:", e);
+      isVersionInstalled = false;
+    }
+  }
+
+  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) {
+          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) {
+          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 installVanilla() {
+    if (!selectedGameVersion) {
+      error = "Please select a Minecraft version first";
+      return;
+    }
+
+    isInstalling = true;
+    error = null;
+    logsState.addLog("info", "Installer", `Starting installation of ${selectedGameVersion}...`);
+
+    if (!instancesState.activeInstanceId) {
+      error = "Please select an instance first";
+      return;
+    }
+    try {
+      await invoke("install_version", {
+        instanceId: instancesState.activeInstanceId,
+        versionId: selectedGameVersion,
+      });
+      logsState.addLog("info", "Installer", `Successfully installed ${selectedGameVersion}`);
+      isVersionInstalled = true;
+      onInstall(selectedGameVersion);
+    } catch (e) {
+      error = `Failed to install: ${e}`;
+      logsState.addLog("error", "Installer", `Installation failed: ${e}`);
+      console.error(e);
+    } finally {
+      isInstalling = false;
+    }
+  }
+
+  async function installModLoader() {
+    if (!selectedGameVersion) {
+      error = "Please select a Minecraft version first";
+      return;
+    }
+
+    if (!instancesState.activeInstanceId) {
+      error = "Please select an instance first";
+      isInstalling = false;
+      return;
+    }
+
+    isInstalling = true;
+    error = null;
+
+    try {
+      // First install the base game if not installed
+      if (!isVersionInstalled) {
+        logsState.addLog("info", "Installer", `Installing base game ${selectedGameVersion} first...`);
+        await invoke("install_version", {
+          instanceId: instancesState.activeInstanceId,
+          versionId: selectedGameVersion,
+        });
+        isVersionInstalled = true;
+      }
+
+      // Then install the mod loader
+      if (selectedLoader === "fabric" && selectedFabricLoader) {
+        logsState.addLog("info", "Installer", `Installing Fabric ${selectedFabricLoader} for ${selectedGameVersion}...`);
+        const result = await invoke<any>("install_fabric", {
+          instanceId: instancesState.activeInstanceId,
+          gameVersion: selectedGameVersion,
+          loaderVersion: selectedFabricLoader,
+        });
+        logsState.addLog("info", "Installer", `Fabric installed successfully: ${result.id}`);
+        onInstall(result.id);
+      } else if (selectedLoader === "forge" && selectedForgeVersion) {
+        logsState.addLog("info", "Installer", `Installing Forge ${selectedForgeVersion} for ${selectedGameVersion}...`);
+        const result = await invoke<any>("install_forge", {
+          instanceId: instancesState.activeInstanceId,
+          gameVersion: selectedGameVersion,
+          forgeVersion: selectedForgeVersion,
+        });
+        logsState.addLog("info", "Installer", `Forge installed successfully: ${result.id}`);
+        onInstall(result.id);
+      }
+    } catch (e) {
+      error = `Failed to install ${selectedLoader}: ${e}`;
+      logsState.addLog("error", "Installer", `Installation failed: ${e}`);
+      console.error(e);
+    } finally {
+      isInstalling = false;
+    }
+  }
+
+  function onLoaderChange(loader: ModLoaderType) {
+    selectedLoader = loader;
+    error = null;
+    if (loader !== "vanilla" && selectedGameVersion) {
+      loadModLoaderVersions();
+    }
+  }
+
+  function handleFabricClickOutside(e: MouseEvent) {
+    if (fabricDropdownRef && !fabricDropdownRef.contains(e.target as Node)) {
+      isFabricDropdownOpen = false;
+    }
+  }
+
+  function handleForgeClickOutside(e: MouseEvent) {
+    if (forgeDropdownRef && !forgeDropdownRef.contains(e.target as Node)) {
+      isForgeDropdownOpen = false;
+    }
+  }
+
+  $effect(() => {
+    if (isFabricDropdownOpen) {
+      document.addEventListener('click', handleFabricClickOutside);
+      return () => document.removeEventListener('click', handleFabricClickOutside);
+    }
+  });
+
+  $effect(() => {
+    if (isForgeDropdownOpen) {
+      document.addEventListener('click', handleForgeClickOutside);
+      return () => document.removeEventListener('click', handleForgeClickOutside);
+    }
+  });
+
+  let selectedFabricLabel = $derived(
+    fabricLoaders.find(l => l.version === selectedFabricLoader)
+      ? `${selectedFabricLoader}${fabricLoaders.find(l => l.version === selectedFabricLoader)?.stable ? ' (stable)' : ''}`
+      : selectedFabricLoader || 'Select version'
+  );
+
+  let selectedForgeLabel = $derived(
+    forgeVersions.find(v => v.version === selectedForgeVersion)
+      ? `${selectedForgeVersion}${forgeVersions.find(v => v.version === selectedForgeVersion)?.recommended ? ' (Recommended)' : ''}`
+      : selectedForgeVersion || 'Select version'
+  );
+</script>
+
+<div class="space-y-4">
+  <div class="flex items-center justify-between">
+      <h3 class="text-xs font-bold uppercase tracking-widest text-zinc-500">Loader Type</h3>
+  </div>
+
+  <!-- Loader Type Tabs - Simple Clean Style -->
+  <div class="flex p-1 bg-zinc-100 dark:bg-zinc-900/50 rounded-sm border border-zinc-200 dark:border-white/5">
+    {#each ['vanilla', 'fabric', 'forge'] as loader}
+        <button
+        class="flex-1 px-3 py-2 rounded-sm text-sm font-medium transition-all duration-200 capitalize
+        {selectedLoader === loader
+            ? 'bg-white dark:bg-white/10 text-black dark:text-white shadow-sm'
+            : 'text-zinc-500 dark:text-zinc-500 hover:text-black dark:hover:text-white'}"
+        onclick={() => onLoaderChange(loader as ModLoaderType)}
+        disabled={isInstalling}
+        >
+        {loader}
+        </button>
+    {/each}
+  </div>
+
+  <!-- Content Area -->
+  <div class="min-h-[100px] flex flex-col justify-center">
+    {#if !selectedGameVersion}
+        <div class="flex items-center gap-3 p-4 bg-amber-50 dark:bg-amber-500/10 border border-amber-200 dark:border-amber-500/20 text-amber-700 dark:text-amber-200 rounded-sm text-sm">
+           <AlertCircle size={16} />
+           <span>Please select a Minecraft version first.</span>
+        </div>
+        
+    {:else if selectedLoader === "vanilla"}
+        <div class="space-y-4 animate-in fade-in slide-in-from-bottom-2 duration-300">
+            <div class="text-center p-4 border border-dashed border-zinc-200 dark:border-white/10 rounded-sm text-zinc-500 text-sm">
+               Standard Minecraft experience. No modifications.
+            </div>
+            
+            {#if isVersionInstalled}
+                <div class="flex items-center justify-center gap-2 p-3 bg-emerald-50 dark:bg-emerald-500/10 border border-emerald-200 dark:border-emerald-500/20 text-emerald-700 dark:text-emerald-300 rounded-sm text-sm">
+                    <CheckCircle size={16} />
+                    <span>Version {selectedGameVersion} is installed</span>
+                </div>
+            {:else}
+                <button
+                    class="w-full bg-emerald-600 hover:bg-emerald-500 disabled:opacity-50 disabled:cursor-not-allowed text-white py-2.5 px-4 rounded-sm font-bold text-sm transition-all flex items-center justify-center gap-2"
+                    onclick={installVanilla}
+                    disabled={isInstalling}
+                >
+                    {#if isInstalling}
+                        <Loader2 class="animate-spin" size={16} />
+                        Installing...
+                    {:else}
+                        <Download size={16} />
+                        Install {selectedGameVersion}
+                    {/if}
+                </button>
+            {/if}
+        </div>
+        
+    {:else if isLoading}
+        <div class="flex flex-col items-center gap-3 text-sm text-zinc-500 py-6">
+            <Loader2 class="animate-spin" size={20} />
+            <span>Fetching {selectedLoader} manifest...</span>
+        </div>
+        
+    {:else if error}
+        <div class="p-4 bg-red-50 border border-red-200 text-red-700 dark:bg-red-500/10 dark:border-red-500/20 dark:text-red-300 rounded-sm text-sm break-words">
+            {error}
+        </div>
+        
+    {:else if selectedLoader === "fabric"}
+        <div class="space-y-4 animate-in fade-in slide-in-from-bottom-2 duration-300">
+        {#if fabricLoaders.length === 0}
+            <div class="text-center p-4 text-sm text-zinc-500 italic">
+            No Fabric versions available for {selectedGameVersion}
+            </div>
+        {:else}
+            <div>
+            <label for="fabric-loader-select" class="block text-[10px] uppercase font-bold text-zinc-500 mb-2"
+            >Loader Version</label
+            >
+            <!-- Custom Fabric Dropdown -->
+            <div class="relative" bind:this={fabricDropdownRef}>
+                <button
+                    type="button"
+                    onclick={() => isFabricDropdownOpen = !isFabricDropdownOpen}
+                    disabled={isInstalling}
+                    class="w-full flex items-center justify-between gap-2 px-4 py-2.5 text-left
+                           bg-white dark:bg-zinc-900 border border-zinc-300 dark:border-zinc-700 rounded-md 
+                           text-sm text-gray-900 dark:text-white
+                           hover:border-zinc-400 dark:hover:border-zinc-600 
+                           focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500/30
+                           transition-colors cursor-pointer outline-none disabled:opacity-50"
+                >
+                    <span class="truncate">{selectedFabricLabel}</span>
+                    <ChevronDown 
+                        size={14} 
+                        class="shrink-0 text-zinc-400 dark:text-zinc-500 transition-transform duration-200 {isFabricDropdownOpen ? 'rotate-180' : ''}" 
+                    />
+                </button>
+
+                {#if isFabricDropdownOpen}
+                    <div 
+                        class="absolute z-50 w-full mt-1 py-1 bg-white dark:bg-zinc-900 border border-zinc-300 dark:border-zinc-700 rounded-md shadow-xl
+                               max-h-48 overflow-y-auto animate-in fade-in slide-in-from-top-1 duration-150"
+                    >
+                        {#each fabricLoaders as loader}
+                            <button
+                                type="button"
+                                onclick={() => { selectedFabricLoader = loader.version; isFabricDropdownOpen = false; }}
+                                class="w-full flex items-center justify-between px-3 py-2 text-sm text-left
+                                       transition-colors outline-none cursor-pointer
+                                       {loader.version === selectedFabricLoader 
+                                         ? 'bg-indigo-600 text-white' 
+                                         : 'text-gray-700 dark:text-zinc-300 hover:bg-zinc-100 dark:hover:bg-zinc-800'}"
+                            >
+                                <span class="truncate">{loader.version} {loader.stable ? "(stable)" : ""}</span>
+                                {#if loader.version === selectedFabricLoader}
+                                    <Check size={14} class="shrink-0 ml-2" />
+                                {/if}
+                            </button>
+                        {/each}
+                    </div>
+                {/if}
+            </div>
+            </div>
+            
+            <button
+                class="w-full bg-indigo-600 hover:bg-indigo-500 disabled:opacity-50 disabled:cursor-not-allowed text-white py-2.5 px-4 rounded-sm font-bold text-sm transition-all flex items-center justify-center gap-2"
+                onclick={installModLoader}
+                disabled={isInstalling || !selectedFabricLoader}
+            >
+                {#if isInstalling}
+                    <Loader2 class="animate-spin" size={16} />
+                    Installing...
+                {:else}
+                    <Download size={16} />
+                    Install Fabric {selectedFabricLoader}
+                {/if}
+            </button>
+        {/if}
+        </div>
+        
+    {:else if selectedLoader === "forge"}
+        <div class="space-y-4 animate-in fade-in slide-in-from-bottom-2 duration-300">
+        {#if forgeVersions.length === 0}
+            <div class="text-center p-4 text-sm text-zinc-500 italic">
+            No Forge versions available for {selectedGameVersion}
+            </div>
+        {:else}
+            <div>
+            <label for="forge-version-select" class="block text-[10px] uppercase font-bold text-zinc-500 mb-2"
+                >Forge Version</label
+            >
+            <!-- Custom Forge Dropdown -->
+            <div class="relative" bind:this={forgeDropdownRef}>
+                <button
+                    type="button"
+                    onclick={() => isForgeDropdownOpen = !isForgeDropdownOpen}
+                    disabled={isInstalling}
+                    class="w-full flex items-center justify-between gap-2 px-4 py-2.5 text-left
+                           bg-white dark:bg-zinc-900 border border-zinc-300 dark:border-zinc-700 rounded-md 
+                           text-sm text-gray-900 dark:text-white
+                           hover:border-zinc-400 dark:hover:border-zinc-600 
+                           focus:border-indigo-500 focus:ring-1 focus:ring-indigo-500/30
+                           transition-colors cursor-pointer outline-none disabled:opacity-50"
+                >
+                    <span class="truncate">{selectedForgeLabel}</span>
+                    <ChevronDown 
+                        size={14} 
+                        class="shrink-0 text-zinc-400 dark:text-zinc-500 transition-transform duration-200 {isForgeDropdownOpen ? 'rotate-180' : ''}" 
+                    />
+                </button>
+
+                {#if isForgeDropdownOpen}
+                    <div 
+                        class="absolute z-50 w-full mt-1 py-1 bg-white dark:bg-zinc-900 border border-zinc-300 dark:border-zinc-700 rounded-md shadow-xl
+                               max-h-48 overflow-y-auto animate-in fade-in slide-in-from-top-1 duration-150"
+                    >
+                        {#each forgeVersions as version}
+                            <button
+                                type="button"
+                                onclick={() => { selectedForgeVersion = version.version; isForgeDropdownOpen = false; }}
+                                class="w-full flex items-center justify-between px-3 py-2 text-sm text-left
+                                       transition-colors outline-none cursor-pointer
+                                       {version.version === selectedForgeVersion 
+                                         ? 'bg-indigo-600 text-white' 
+                                         : 'text-gray-700 dark:text-zinc-300 hover:bg-zinc-100 dark:hover:bg-zinc-800'}"
+                            >
+                                <span class="truncate">{version.version} {version.recommended ? "(Recommended)" : ""}</span>
+                                {#if version.version === selectedForgeVersion}
+                                    <Check size={14} class="shrink-0 ml-2" />
+                                {/if}
+                            </button>
+                        {/each}
+                    </div>
+                {/if}
+            </div>
+            </div>
+            
+            <button
+                class="w-full bg-orange-600 hover:bg-orange-500 disabled:opacity-50 disabled:cursor-not-allowed text-white py-2.5 px-4 rounded-sm font-bold text-sm transition-all flex items-center justify-center gap-2"
+                onclick={installModLoader}
+                disabled={isInstalling || !selectedForgeVersion}
+            >
+                {#if isInstalling}
+                    <Loader2 class="animate-spin" size={16} />
+                    Installing...
+                {:else}
+                    <Download size={16} />
+                    Install Forge {selectedForgeVersion}
+                {/if}
+            </button>
+        {/if}
+        </div>
+    {/if}
+  </div>
+</div>
-- 
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