package tui

import "testing"

func TestCurrentLayout_Compact(t *testing.T) {
    m := &Model{width: 60, height: 20}
    layout := m.currentLayout()
    if layout.HeaderMode != "compact" {
        t.Errorf("small terminal should use compact mode, got %q", layout.HeaderMode)
    }
    if layout.ArgsTruncMax != 100 {
        t.Errorf("compact ArgsTruncMax = %d, want 100", layout.ArgsTruncMax)
    }
}

func TestCurrentLayout_Normal(t *testing.T) {
    m := &Model{width: 100, height: 30}
    layout := m.currentLayout()
    if layout.HeaderMode != "full" {
        t.Errorf("normal terminal should use full mode, got %q", layout.HeaderMode)
    }
    if layout.ArgsTruncMax != 200 {
        t.Errorf("normal ArgsTruncMax = %d, want 200", layout.ArgsTruncMax)
    }
}

func TestCurrentLayout_Wide(t *testing.T) {
    m := &Model{width: 150, height: 40}
    layout := m.currentLayout()
    if layout.HeaderMode != "full" {
        t.Errorf("wide terminal should use full mode, got %q", layout.HeaderMode)
    }
    if layout.ArgsTruncMax != 300 {
        t.Errorf("wide ArgsTruncMax = %d, want 300", layout.ArgsTruncMax)
    }
    if layout.ResultTruncMax != 500 {
        t.Errorf("wide ResultTruncMax = %d, want 500", layout.ResultTruncMax)
    }
}

func TestCurrentLayout_CompactHeight(t *testing.T) {
    // Wide but short terminal should be compact.
    m := &Model{width: 120, height: 20}
    layout := m.currentLayout()
    if layout.HeaderMode != "compact" {
        t.Errorf("short terminal should use compact mode, got %q", layout.HeaderMode)
    }
}

func TestContextProgressBar(t *testing.T) {
    tests := []struct {
        pct  int
        want string
    }{
        {0, "░░░░░░░░░░ 0%"},
        {50, "█████░░░░░ 50%"},
        {100, "██████████ 100%"},
    }
    for _, tt := range tests {
        got := contextProgressBar(tt.pct)
        if got != tt.want {
            t.Errorf("contextProgressBar(%d) = %q, want %q", tt.pct, got, tt.want)
        }
    }
}

func TestContextProgressBar_Overflow(t *testing.T) {
    // Should not panic or produce weird output for >100%
    result := contextProgressBar(150)
    if result == "" {
        t.Error("overflow should still produce output")
    }
}