[pkg/ggml/sources/llama.cpp] /

<script lang="ts">
        import { ICON_CLASS_DEFAULT } from '$lib/constants/css-classes';
        import { PencilRuler, ChevronDown, ChevronRight, Loader2, Info, Check } from '@lucide/svelte';
        import { Checkbox } from '$lib/components/ui/checkbox';
        import * as Collapsible from '$lib/components/ui/collapsible';
        import * as DropdownMenu from '$lib/components/ui/dropdown-menu';
        import * as Tooltip from '$lib/components/ui/tooltip';
        import { toolsStore } from '$lib/stores/tools.svelte';
        import { CLI_FLAGS } from '$lib/constants';
        import { mcpStore } from '$lib/stores/mcp.svelte';
        import { useToolsPanel } from '$lib/hooks/use-tools-panel.svelte';

        const toolsPanel = useToolsPanel();
        const hasMcpServersAvailable = $derived(mcpStore.getServers().length > 0);
</script>

<DropdownMenu.Sub onOpenChange={(open) => open && toolsPanel.handleOpen()}>
        <DropdownMenu.SubTrigger class="flex cursor-pointer items-center gap-2">
                <PencilRuler class={ICON_CLASS_DEFAULT} />

                <span>Tools</span>
        </DropdownMenu.SubTrigger>

        <DropdownMenu.SubContent class="w-72 p-0">
                {#if toolsPanel.totalToolCount === 0}
                        {#if toolsStore.loading}
                                <div class="px-3 py-4 text-center text-sm text-muted-foreground">
                                        <Loader2 class="mx-auto mb-1 {ICON_CLASS_DEFAULT} animate-spin" />

                                        Loading tools...
                                </div>
                        {:else if toolsStore.isToolsEndpointUnreachable}
                                <div class="grid gap-2.5 px-3 py-4 text-sm text-muted-foreground">
                                        <span class="flex gap-2">
                                                <Info class="mt-0.5 {ICON_CLASS_DEFAULT} shrink-0" />

                                                <span>
                                                        Run llama-server with <code>{CLI_FLAGS.TOOLS}</code> flag to enable

                                                        <strong>Built-in Tools</strong>.
                                                </span>
                                        </span>

                                        <span class="flex gap-2">
                                                <Info class="mt-0.5 {ICON_CLASS_DEFAULT} shrink-0" />

                                                <span>
                                                        {hasMcpServersAvailable ? 'Enable' : 'Add'} MCP Server(s) to access

                                                        <strong>MCP Tools</strong>.
                                                </span>
                                        </span>
                                </div>
                        {:else if toolsStore.error}
                                <div class="px-3 py-4 text-center text-sm text-muted-foreground">Failed to load tools</div>
                        {:else if toolsPanel.noToolsInfoMessage}
                                <div class="flex gap-2 px-3 py-4 text-sm text-muted-foreground">
                                        <Info class="mt-0.5 {ICON_CLASS_DEFAULT} shrink-0" />

                                        <span>{toolsPanel.noToolsInfoMessage}</span>
                                </div>
                        {:else}
                                <div class="px-3 py-4 text-center text-sm text-muted-foreground">No tools available</div>
                        {/if}
                {:else}
                        <div class="max-h-80 overflow-y-auto p-2 pr-1">
                                {#each toolsPanel.activeGroups as group (group.key)}
                                        {@const isExpanded = toolsPanel.expandedGroups.has(group.key)}
                                        {@const checked = toolsPanel.isGroupChecked(group)}
                                        {@const favicon = toolsPanel.getFavicon(group)}

                                        <Collapsible.Root
                                                open={isExpanded}
                                                onOpenChange={() => toolsPanel.toggleGroupExpanded(group.key)}
                                        >
                                                <div class="flex items-center gap-1">
                                                        <Collapsible.Trigger
                                                                class="flex min-w-0 flex-1 items-center gap-2 rounded px-2 py-1.5 text-sm hover:bg-muted/50"
                                                        >
                                                                {#if isExpanded}
                                                                        <ChevronDown class="h-3.5 w-3.5 shrink-0" />
                                                                {:else}
                                                                        <ChevronRight class="h-3.5 w-3.5 shrink-0" />
                                                                {/if}

                                                                <span class="inline-flex min-w-0 items-center gap-1.5 font-medium">
                                                                        {#if favicon}
                                                                                <img
                                                                                        src={favicon}
                                                                                        alt=""
                                                                                        class="{ICON_CLASS_DEFAULT} shrink-0 rounded-sm"
                                                                                        onerror={(e) => {
                                                                                                (e.currentTarget as HTMLImageElement).style.display = 'none';
                                                                                        }}
                                                                                />
                                                                        {/if}

                                                                        <span class="truncate">{group.label}</span>
                                                                </span>

                                                                <span class="ml-auto shrink-0 text-xs text-muted-foreground">
                                                                        {toolsPanel.getEnabledToolCount(group)}/{group.tools.length}
                                                                </span>
                                                        </Collapsible.Trigger>

                                                        <Tooltip.Root>
                                                                <Tooltip.Trigger>
                                                                        {#snippet child({ props })}
                                                                                <Checkbox
                                                                                        {...props}
                                                                                        {checked}
                                                                                        onCheckedChange={() => toolsPanel.toggleGroupByKey(group.key)}
                                                                                        class="mr-2 {ICON_CLASS_DEFAULT} shrink-0"
                                                                                />
                                                                        {/snippet}
                                                                </Tooltip.Trigger>

                                                                <Tooltip.Content side="right">
                                                                        <p>
                                                                                {checked ? 'Disable' : 'Enable'}
                                                                                {group.tools.length} tool{group.tools.length !== 1 ? 's' : ''}
                                                                        </p>
                                                                </Tooltip.Content>
                                                        </Tooltip.Root>
                                                </div>

                                                <Collapsible.Content>
                                                        <div class="ml-4 flex flex-col gap-0.5 border-l border-border/50 pl-2">
                                                                {#each group.tools as entry (entry.key)}
                                                                        {@const enabled = toolsStore.isToolEnabled(entry.key)}
                                                                        <button
                                                                                type="button"
                                                                                class="flex w-full items-center gap-2 rounded px-2 py-1.5 text-left text-sm transition-colors hover:bg-muted/50"
                                                                                onclick={() => toolsStore.toggleTool(entry.key)}
                                                                        >
                                                                                <span
                                                                                        data-slot="checkbox"
                                                                                        data-state={enabled ? 'checked' : 'unchecked'}
                                                                                        class="flex size-4 shrink-0 items-center justify-center rounded-[4px] border border-input data-[state=checked]:border-primary data-[state=checked]:bg-primary data-[state=checked]:text-primary-foreground"
                                                                                >
                                                                                        {#if enabled}
                                                                                                <Check class="size-3.5" />
                                                                                        {/if}
                                                                                </span>

                                                                                <span class="min-w-0 flex-1 truncate font-mono text-[12px]">
                                                                                        {entry.definition.function.name}
                                                                                </span>
                                                                        </button>
                                                                {/each}
                                                        </div>
                                                </Collapsible.Content>
                                        </Collapsible.Root>
                                {/each}
                        </div>
                {/if}
        </DropdownMenu.SubContent>
</DropdownMenu.Sub>