package adapter

import "testing"

func TestCapabilitiesNormalizeFillsZeroNumerics(t *testing.T) {
	t.Parallel()

	caps := Capabilities{Image: true, Proactive: true}.Normalize()

	if caps.MaxMessageLength != defaultMaxMessageLength {
		t.Errorf("MaxMessageLength = %d, want %d", caps.MaxMessageLength, defaultMaxMessageLength)
	}
	if caps.RecommendBurstMax != defaultRecommendBurstMax {
		t.Errorf("RecommendBurstMax = %d, want %d", caps.RecommendBurstMax, defaultRecommendBurstMax)
	}
	// Boolean fields must be preserved, not overwritten by normalization.
	if !caps.Image || !caps.Proactive {
		t.Errorf("booleans changed by Normalize: %+v", caps)
	}
}

func TestCapabilitiesNormalizePreservesExplicit(t *testing.T) {
	t.Parallel()

	caps := Capabilities{MaxMessageLength: 100, RecommendBurstMax: 5}.Normalize()

	if caps.MaxMessageLength != 100 {
		t.Errorf("MaxMessageLength = %d, want 100 (explicit preserved)", caps.MaxMessageLength)
	}
	if caps.RecommendBurstMax != 5 {
		t.Errorf("RecommendBurstMax = %d, want 5 (explicit preserved)", caps.RecommendBurstMax)
	}
}

func TestDefaultCapabilities(t *testing.T) {
	t.Parallel()

	caps := DefaultCapabilities()

	if caps.MaxMessageLength != defaultMaxMessageLength {
		t.Errorf("MaxMessageLength = %d, want %d", caps.MaxMessageLength, defaultMaxMessageLength)
	}
	if !caps.Markdown || !caps.Image {
		t.Errorf("expected markdown+image by default, got %+v", caps)
	}
	if caps.Voice || caps.Reaction || caps.TypingHint || caps.Proactive {
		t.Errorf("expected rich/proactive features off by default, got %+v", caps)
	}
	if caps.RecommendBurstMax != defaultRecommendBurstMax {
		t.Errorf("RecommendBurstMax = %d, want %d", caps.RecommendBurstMax, defaultRecommendBurstMax)
	}
}