package httpapi

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

func TestAdminAnalyticsSummaryOnly(t *testing.T) {
	t.Parallel()
	cases := []struct {
		raw  string
		want bool
	}{
		{"", false},
		{"summary=0", false},
		{"summary=1", true},
		{"summary=true", true},
		{"summary_only=yes", true},
		{"summary_only=no", false},
	}
	for _, c := range cases {
		req := httptest.NewRequest(http.MethodGet, "/api/admin/analytics?"+c.raw, nil)
		if got := adminAnalyticsSummaryOnly(req); got != c.want {
			t.Fatalf("%q: got %v want %v", c.raw, got, c.want)
		}
	}
}

func TestClampAdminAnalyticsDays(t *testing.T) {
	t.Parallel()
	cases := []struct {
		in, want int
	}{
		{0, adminAnalyticsMinDays},
		{3, adminAnalyticsMinDays},
		{7, 7},
		{30, 30},
		{90, 90},
		{120, adminAnalyticsMaxDays},
	}
	for _, c := range cases {
		if got := clampAdminAnalyticsDays(c.in); got != c.want {
			t.Fatalf("clamp(%d)=%d want %d", c.in, got, c.want)
		}
	}
}

func TestFillAdminDaySeries(t *testing.T) {
	t.Parallel()
	since := time.Date(2026, 8, 1, 0, 0, 0, 0, time.UTC)
	src := map[string]adminDayPoint{
		"2026-08-01": {Date: "2026-08-01", Tokens: 10, Products: 2},
		"2026-08-03": {Date: "2026-08-03", Tokens: 5, Products: 1},
	}
	out := fillAdminDaySeries(since, 3, src, func(p adminDayPoint) adminDayPoint {
		return adminDayPoint{Date: p.Date, Tokens: p.Tokens, Products: p.Products}
	})
	if len(out) != 3 {
		t.Fatalf("len=%d", len(out))
	}
	if out[0].Tokens != 10 || out[1].Tokens != 0 || out[2].Tokens != 5 {
		t.Fatalf("unexpected series: %+v", out)
	}
	if out[1].Date != "2026-08-02" {
		t.Fatalf("gap date=%s", out[1].Date)
	}
}