package service

import (
	"errors"
	"net/http"
	"testing"
	"time"
)

func TestNormalizeAccountTestMode(t *testing.T) {
	tests := []struct {
		input string
		want  string
	}{
		{input: "", want: AccountTestModeDefault},
		{input: "default", want: AccountTestModeDefault},
		{input: " compact ", want: AccountTestModeCompact},
		{input: "COMPACT", want: AccountTestModeCompact},
		{input: "unknown", want: AccountTestModeDefault},
	}

	for _, tt := range tests {
		if got := normalizeAccountTestMode(tt.input); got != tt.want {
			t.Fatalf("normalizeAccountTestMode(%q) = %q, want %q", tt.input, got, tt.want)
		}
	}
}

func TestBuildOpenAICompactProbeExtraUpdates_SuccessMarksSupported(t *testing.T) {
	now := time.Date(2026, 4, 10, 10, 0, 0, 0, time.UTC)
	updates := buildOpenAICompactProbeExtraUpdates(&http.Response{StatusCode: http.StatusOK}, []byte(`{"id":"cmp_1"}`), nil, now)

	if got := updates["openai_compact_supported"]; got != true {
		t.Fatalf("openai_compact_supported = %v, want true", got)
	}
	if got := updates["openai_compact_last_status"]; got != http.StatusOK {
		t.Fatalf("openai_compact_last_status = %v, want %d", got, http.StatusOK)
	}
	if got := updates["openai_compact_last_error"]; got != "" {
		t.Fatalf("openai_compact_last_error = %v, want empty string", got)
	}
	if got := updates["openai_compact_checked_at"]; got != now.Format(time.RFC3339) {
		t.Fatalf("openai_compact_checked_at = %v, want %s", got, now.Format(time.RFC3339))
	}
}

func TestBuildOpenAICompactProbeExtraUpdates_404MarksUnsupported(t *testing.T) {
	now := time.Date(2026, 4, 10, 10, 0, 0, 0, time.UTC)
	body := []byte(`404 page not found`)
	updates := buildOpenAICompactProbeExtraUpdates(&http.Response{StatusCode: http.StatusNotFound}, body, nil, now)

	if got := updates["openai_compact_supported"]; got != false {
		t.Fatalf("openai_compact_supported = %v, want false", got)
	}
	if got := updates["openai_compact_last_status"]; got != http.StatusNotFound {
		t.Fatalf("openai_compact_last_status = %v, want %d", got, http.StatusNotFound)
	}
}

func TestBuildOpenAICompactProbeExtraUpdates_502DoesNotMarkUnsupported(t *testing.T) {
	now := time.Date(2026, 4, 10, 10, 0, 0, 0, time.UTC)
	updates := buildOpenAICompactProbeExtraUpdates(&http.Response{StatusCode: http.StatusBadGateway}, []byte(`Upstream request failed`), nil, now)

	if _, exists := updates["openai_compact_supported"]; exists {
		t.Fatalf("did not expect openai_compact_supported for 502 response")
	}
	if got := updates["openai_compact_last_status"]; got != http.StatusBadGateway {
		t.Fatalf("openai_compact_last_status = %v, want %d", got, http.StatusBadGateway)
	}
}

func TestBuildOpenAICompactProbeExtraUpdates_RequestErrorDoesNotMarkUnsupported(t *testing.T) {
	now := time.Date(2026, 4, 10, 10, 0, 0, 0, time.UTC)
	updates := buildOpenAICompactProbeExtraUpdates(nil, nil, errors.New("dial tcp timeout"), now)

	if _, exists := updates["openai_compact_supported"]; exists {
		t.Fatalf("did not expect openai_compact_supported for request error")
	}
	if got, exists := updates["openai_compact_last_status"]; !exists || got != nil {
		t.Fatalf("openai_compact_last_status = %v, want nil key", got)
	}
	if got := updates["openai_compact_last_error"]; got == "" {
		t.Fatalf("expected openai_compact_last_error to be populated")
	}
}

func TestBuildOpenAICompactProbeExtraUpdates_NoResponseClearsLastStatus(t *testing.T) {
	now := time.Date(2026, 4, 10, 10, 0, 0, 0, time.UTC)
	updates := buildOpenAICompactProbeExtraUpdates(nil, nil, nil, now)

	if got, exists := updates["openai_compact_last_status"]; !exists || got != nil {
		t.Fatalf("openai_compact_last_status = %v, want nil key", got)
	}
	if got := updates["openai_compact_last_error"]; got != "compact probe failed" {
		t.Fatalf("openai_compact_last_error = %v, want compact probe failed", got)
	}
}

func TestBuildOpenAICompactProbeExtraUpdates_UnknownModelDoesNotMarkUnsupported(t *testing.T) {
	now := time.Date(2026, 4, 10, 10, 0, 0, 0, time.UTC)
	body := []byte(`{"error":{"message":"unknown model gpt-5.4-openai-compact"}}`)
	updates := buildOpenAICompactProbeExtraUpdates(&http.Response{StatusCode: http.StatusBadRequest}, body, nil, now)

	if _, exists := updates["openai_compact_supported"]; exists {
		t.Fatalf("did not expect openai_compact_supported for unknown-model diagnostics")
	}
	if got := updates["openai_compact_last_status"]; got != http.StatusBadRequest {
		t.Fatalf("openai_compact_last_status = %v, want %d", got, http.StatusBadRequest)
	}
}

func TestBuildOpenAICompactProbeExtraUpdates_EmptyFailureBodyFallsBackToHTTPStatus(t *testing.T) {
	now := time.Date(2026, 4, 10, 10, 0, 0, 0, time.UTC)
	updates := buildOpenAICompactProbeExtraUpdates(&http.Response{StatusCode: http.StatusServiceUnavailable}, nil, nil, now)

	if got := updates["openai_compact_last_status"]; got != http.StatusServiceUnavailable {
		t.Fatalf("openai_compact_last_status = %v, want %d", got, http.StatusServiceUnavailable)
	}
	if got := updates["openai_compact_last_error"]; got != "HTTP 503" {
		t.Fatalf("openai_compact_last_error = %v, want HTTP 503", got)
	}
}