package app_test

import (
	"context"
	"fmt"
	"os"
	"path/filepath"
	"strings"
	"testing"
	"time"

	promptkitadapter "gitea.maximumdirect.net/eric/weatherreporter/internal/adapters/promptkit"
	"gitea.maximumdirect.net/eric/weatherreporter/internal/app"
	"gitea.maximumdirect.net/eric/weatherreporter/internal/config"
	"gitea.maximumdirect.net/eric/weatherreporter/internal/report"
)

func TestPromptInspectionResolvesEmbeddedAndOverriddenProfilesOffline(t *testing.T) {
	inspect := func(t *testing.T, adapter *promptkitadapter.Adapter, id report.ID, profile string, wantID string, wantBackend string, wantModel string) {
		t.Helper()
		result, err := app.InspectPromptExecution(context.Background(), app.PromptInspectionRequest{
			Resolved:  resolvedPromptProfile(t, id),
			Executor:  adapter,
			Promptkit: config.PromptkitConfig{Profile: profile},
		})
		if err != nil {
			t.Fatalf("InspectPromptExecution() error = %v", err)
		}
		if result.ProfileID != wantID || result.BackendID != wantBackend || result.ModelName != wantModel {
			t.Fatalf("inspection = %#v, want profile/backend/model %q/%q/%q", result, wantID, wantBackend, wantModel)
		}
	}

	embedded, err := promptkitadapter.New(promptkitadapter.Config{})
	if err != nil {
		t.Fatalf("New(embedded) error = %v", err)
	}
	inspect(t, embedded, report.Hourly, "", "weather-light", "openrouter", "deepseek/deepseek-v4-flash")
	inspect(t, embedded, report.Daily, "", "weather-balanced", "openrouter", "~google/gemini-flash-latest")
	inspect(t, embedded, report.Daily, "weather-deep", "weather-deep", "openrouter", "~anthropic/claude-sonnet-latest")

	override, err := promptkitadapter.New(promptkitadapter.Config{ProfileFile: writeProfileFile(t, `id: weather-light
endpoint: https://local.example/v1
backend: openrouter
model: local-weather
`)})
	if err != nil {
		t.Fatalf("New(override) error = %v", err)
	}
	inspect(t, override, report.Hourly, "", "weather-light", "openrouter", "local-weather")
}

func TestPromptInspectionAcceptsMaintainedEndpointOnlyProfile(t *testing.T) {
	adapter, err := promptkitadapter.New(promptkitadapter.Config{ProfileFile: filepath.Join("..", "..", "examples", "weather-light-local-profile.yml")})
	if err != nil {
		t.Fatalf("New() error = %v", err)
	}
	result, err := app.InspectPromptExecution(context.Background(), app.PromptInspectionRequest{
		Resolved: resolvedPromptProfile(t, report.Hourly), Executor: adapter,
	})
	if err != nil {
		t.Fatalf("InspectPromptExecution() error = %v", err)
	}
	if result.ProfileID != "weather-light" || result.BackendID != "" || result.ModelName != "weather-local" {
		t.Fatalf("inspection = %#v", result)
	}
	if strings.Contains(fmt.Sprintf("%#v", result), "127.0.0.1") {
		t.Fatalf("inspection leaks endpoint: %#v", result)
	}
}

func TestPromptInspectionSupportsRakestrawhomeProfileOffline(t *testing.T) {
	adapter, err := promptkitadapter.New(promptkitadapter.Config{})
	if err != nil {
		t.Fatalf("New() error = %v", err)
	}
	prompt, err := app.InspectPromptExecution(context.Background(), app.PromptInspectionRequest{
		Resolved:  resolvedPromptProfile(t, report.Hourly),
		Executor:  adapter,
		Promptkit: config.PromptkitConfig{Profile: "rakestrawhome-gemma-4-31b"},
	})
	if err != nil {
		t.Fatalf("InspectPromptExecution() error = %v", err)
	}
	if prompt.ProfileID != "rakestrawhome-gemma-4-31b" || prompt.BackendID != "rakestrawhome" || prompt.ModelName == "" {
		t.Fatalf("prompt inspection = %#v", prompt)
	}

	comparison, err := app.InspectComparisonExecution(context.Background(), app.ComparisonInspectionRequest{
		Resolved:   resolvedPromptProfile(t, report.Hourly),
		ProfileIDs: []string{"rakestrawhome-gemma-4-31b", "weather-deep"},
		Executor:   adapter,
	})
	if err != nil {
		t.Fatalf("InspectComparisonExecution() error = %v", err)
	}
	if len(comparison.Profiles) != 2 || comparison.Profiles[0].ProfileID != "rakestrawhome-gemma-4-31b" || comparison.Profiles[0].BackendID != "rakestrawhome" || comparison.Profiles[0].ModelName == "" {
		t.Fatalf("comparison inspection = %#v", comparison)
	}
}

func resolvedPromptProfile(t *testing.T, id report.ID) report.Resolved {
	t.Helper()
	now := time.Date(2026, 5, 29, 12, 0, 0, 0, time.UTC)
	request := report.ResolveRequest{Now: now, Location: time.UTC}
	if id == report.Daily {
		request.Date = now
	}
	resolved, err := report.DefaultRegistry().Resolve(id, request)
	if err != nil {
		t.Fatalf("Resolve(%q) error = %v", id, err)
	}
	return resolved
}

func writeProfileFile(t *testing.T, profile string) string {
	t.Helper()
	path := filepath.Join(t.TempDir(), "profile.yml")
	if err := os.WriteFile(path, []byte(profile), 0o600); err != nil {
		t.Fatalf("write profile: %v", err)
	}
	return path
}