package service

import (
	"testing"

	edgeevents "iop/apps/edge/internal/events"
	edgenode "iop/apps/edge/internal/node"
	"iop/packages/go/config"
)

func TestListNodeSnapshotsUsesEdgeQueueState(t *testing.T) {
	reg := edgenode.NewRegistry()
	reg.Register(&edgenode.NodeEntry{NodeID: "node-q-1", Alias: "node-q-1"})

	store := edgenode.NewNodeStore()
	rec := &edgenode.NodeRecord{
		ID: "node-q-1",
		Adapters: config.AdaptersConf{
			OllamaInstances: []config.OllamaInstanceConf{
				{
					Name:     "ollama-inst",
					Enabled:  true,
					Capacity: 3,
				},
			},
		},
	}
	store.Add(rec)

	bus := edgeevents.NewBus()
	svc := New(reg, bus)
	svc.SetNodeStore(store)

	// Manually inject group state to modelQueueManager
	svc.queue.mu.Lock()
	svc.queue.groups["test-group"] = &modelQueueGroup{
		key:      "test-group",
		adapter:  "ollama-inst",
		inflight: map[string]int{"node-q-1": 2},
		queue: []*queueItem{
			{
				candidates: []candidateNode{
					{entry: reg.All()[0], capacity: 3},
				},
			},
		},
	}
	svc.queue.mu.Unlock()

	snaps := svc.ListNodeSnapshots()
	if len(snaps) != 1 {
		t.Fatalf("expected 1 node snapshot, got %d", len(snaps))
	}
	snap := snaps[0]
	if len(snap.ProviderSnapshots) != 1 {
		t.Fatalf("expected 1 provider snapshot, got %d", len(snap.ProviderSnapshots))
	}
	p := snap.ProviderSnapshots[0]
	if p.Adapter != "ollama-inst" {
		t.Errorf("expected adapter ollama-inst, got %s", p.Adapter)
	}
	if p.Capacity != 3 {
		t.Errorf("expected capacity 3, got %d", p.Capacity)
	}
	if p.InFlight != 2 {
		t.Errorf("expected inflight 2, got %d", p.InFlight)
	}
	if p.Queued != 1 {
		t.Errorf("expected queued 1, got %d", p.Queued)
	}
}

func TestListNodeSnapshotsTypeRouteSingleNamedInstance(t *testing.T) {
	reg := edgenode.NewRegistry()
	reg.Register(&edgenode.NodeEntry{NodeID: "node-q-2", Alias: "node-q-2"})

	store := edgenode.NewNodeStore()
	rec := &edgenode.NodeRecord{
		ID: "node-q-2",
		Adapters: config.AdaptersConf{
			OllamaInstances: []config.OllamaInstanceConf{
				{
					Name:     "ollama-local",
					Enabled:  true,
					Capacity: 5,
				},
			},
		},
	}
	store.Add(rec)

	bus := edgeevents.NewBus()
	svc := New(reg, bus)
	svc.SetNodeStore(store)

	// Manually inject group state to modelQueueManager with type-name route "ollama"
	svc.queue.mu.Lock()
	svc.queue.groups["test-group"] = &modelQueueGroup{
		key:      "test-group",
		adapter:  "ollama",
		inflight: map[string]int{"node-q-2": 3},
		queue: []*queueItem{
			{
				candidates: []candidateNode{
					{entry: reg.All()[0], capacity: 5},
				},
			},
		},
	}
	svc.queue.mu.Unlock()

	snaps := svc.ListNodeSnapshots()
	if len(snaps) != 1 {
		t.Fatalf("expected 1 node snapshot, got %d", len(snaps))
	}
	snap := snaps[0]
	if len(snap.ProviderSnapshots) != 1 {
		t.Fatalf("expected 1 provider snapshot, got %d", len(snap.ProviderSnapshots))
	}
	p := snap.ProviderSnapshots[0]
	if p.Adapter != "ollama-local" {
		t.Errorf("expected adapter ollama-local, got %s", p.Adapter)
	}
	if p.Capacity != 5 {
		t.Errorf("expected capacity 5, got %d", p.Capacity)
	}
	if p.InFlight != 3 {
		t.Errorf("expected inflight 3, got %d", p.InFlight)
	}
	if p.Queued != 1 {
		t.Errorf("expected queued 1, got %d", p.Queued)
	}
}