package web

import (
	"html/template"
	"testing"
)

// TASK-D4 §7B: statusColor maps every OverallStatus value the hub emits (server.go
// handleDashboard + configs.go + the hosts stale state) to a v2 semantic token consumed
// as a class suffix — never an inline color. Exception-color: healthy fleet = blue/neutral.
func TestStatusColorTruthTable(t *testing.T) {
	cases := []struct {
		status string
		want   string
	}{
		{"ok", "nominal"},        // operating normally — blue
		{"warn", "warn"},         // degraded / stale report — amber
		{"stale", "warn"},        // host stale state
		{"down", "crit"},         // outage — red
		{"fail", "crit"},         // health=fail — red
		{"pending", "neutral"},   // not-yet-provisioned customer is a NORMAL fleet state
		{"disabled", "neutral"},  // deliberately paused — not a deviation
		{"blocked", "warn"},      // operator cut-off: intentional but attention-worthy
		{"bogus", "neutral"},     // unknown values stay quiet
		{"", "neutral"},
	}
	for _, c := range cases {
		if got := statusColor(c.status); got != c.want {
			t.Errorf("statusColor(%q) = %q, want %q", c.status, got, c.want)
		}
	}
}

// TestTemplatesParseWithFuncmap parses all hub templates with the production funcmap —
// catches a typo'd function name introduced during the D4 sweep (did not exist before).
func TestTemplatesParseWithFuncmap(t *testing.T) {
	s := New(nil, "", "", "test", 0, nil)
	_ = s // New itself template.Must-parses; reaching here means parse succeeded
	// belt and braces: parse again explicitly
	if _, err := template.New("").Funcs(template.FuncMap{
		"timeAgo":       timeAgo,
		"timeAgoPtr":    func(v interface{}) string { return "" },
		"statusColor":   statusColor,
		"formatFloat":   func(f float64) string { return "" },
		"joinStrings":   func(s []string, sep string) string { return "" },
		"json":          func(v interface{}) template.JS { return "" },
		"hubVersion":    func() string { return "" },
		"add":           func(a, b int) int { return 0 },
		"mapGet":        func(m map[string]int, k string) int { return 0 },
		"memoryColor":   memoryColor,
		"accuracyClass": accuracyClass,
		"gt":            func(a, b int) bool { return false },
	}).ParseFS(templateFS, "templates/*.html"); err != nil {
		t.Fatalf("templates failed to parse: %v", err)
	}
}