package agent

import (
	"context"
	"testing"

	llm "github.com/VictorVargas/rony-llm-agent/pkg/llm"
	"github.com/VictorVargas/rony-llm-agent/pkg/persona"
	"github.com/VictorVargas/rony-llm-agent/pkg/tools"
)

func TestSubAgent_Run(t *testing.T) {
	mockClient := &mockLLM{
		generateFunc: func(ctx context.Context, req llm.CompletionRequest) (llm.CompletionResponse, error) {
			return llm.CompletionResponse{Content: "sub-agent done"}, nil
		},
	}

	sa := SubAgent{
		Name:    "planner",
		Persona: persona.DefaultPersona(),
		Tools:   tools.NewRegistry(),
	}

	resp, err := sa.Run(context.Background(), mockClient, "", "plan the task")
	if err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
	if resp.Content != "sub-agent done" {
		t.Errorf("expected 'sub-agent done', got %q", resp.Content)
	}
}

func TestSubAgent_Run_DefaultsMaxIterations(t *testing.T) {
	mockClient := &mockLLM{
		generateFunc: func(ctx context.Context, req llm.CompletionRequest) (llm.CompletionResponse, error) {
			return llm.CompletionResponse{Content: "done"}, nil
		},
	}

	sa := SubAgent{Persona: persona.DefaultPersona(), Tools: tools.NewRegistry()}
	if sa.MaxIterations != 0 {
		t.Fatalf("expected zero-value MaxIterations for this test, got %d", sa.MaxIterations)
	}

	if _, err := sa.Run(context.Background(), mockClient, "", "hi"); err != nil {
		t.Fatalf("unexpected error: %v", err)
	}
}

func TestSubAgentRegistry_Get(t *testing.T) {
	reg := SubAgentRegistry{
		"builder": SubAgent{Name: "builder"},
	}

	got, ok := reg.Get("builder")
	if !ok || got.Name != "builder" {
		t.Fatalf("expected to find 'builder', got %+v, ok=%v", got, ok)
	}

	if _, ok := reg.Get("missing"); ok {
		t.Error("expected 'missing' to not be found")
	}
}