package main

import (
	"bytes"
	"strings"
	"testing"
	"time"

	"github.com/carlosframework/platform/internal/apperr"
)

func TestPrintErrorGroups(t *testing.T) {
	now := time.Date(2026, 9, 7, 10, 0, 0, 0, time.UTC)
	var buf bytes.Buffer
	printErrorGroups(&buf, []apperr.Group{
		{FP: "abc123", Source: "edge", Name: "500 POST /checkout", Count: 12, Last: now, Hosts: []string{"a.example"}, Releases: []string{"v3"}},
		{FP: "_overflow", Source: "edge", Name: "500 GET /z", Count: 40, Last: now},
	})
	out := buf.String()
	for _, want := range []string{"2026-09-07 10:00", "12", "edge", "500 POST /checkout", "abc123", "a.example", "v3", "overflow"} {
		if !strings.Contains(out, want) {
			t.Errorf("output missing %q:\n%s", want, out)
		}
	}
}

// TestAvailabilityNamesPlatformEvents: a log-derived row on Availability is
// a platform event, and prints as one rather than as the app's own "log".
func TestAvailabilityNamesPlatformEvents(t *testing.T) {
	now := time.Date(2026, 9, 24, 10, 0, 0, 0, time.UTC)
	in := []apperr.Group{
		{FP: "a", Source: apperr.SourceLog, Name: "wake failed: no head", Count: 1, Last: now},
		{FP: "b", Source: apperr.SourceEdge, Name: apperr.AvailabilityName(502, apperr.CauseRefused), Count: 4, Last: now},
	}
	var buf bytes.Buffer
	printErrorGroups(&buf, platformSourced(in))
	out := buf.String()
	for _, want := range []string{"platform  wake failed", "edge      502 · the instance refused the connection"} {
		if !strings.Contains(out, want) {
			t.Errorf("output missing %q:\n%s", want, out)
		}
	}
	if in[0].Source != apperr.SourceLog {
		t.Fatal("platformSourced must not rewrite its input")
	}
}