package format

import (
	"strings"
	"testing"
)

func TestRenderBlock_SurfacesToolsAndBypass(t *testing.T) {
	tests := []struct {
		name     string
		block    Block
		contains []string
		empty    bool
	}{
		{
			name:     "call shows name and args",
			block:    Block{Role: "call", Name: "shell", Content: `{"cmd":"ls"}`},
			contains: []string{"shell", "cmd"},
		},
		{
			name:     "call without args shows name",
			block:    Block{Role: "call", Name: "memory_wake"},
			contains: []string{"memory_wake"},
		},
		{
			name:     "tool output rendered",
			block:    Block{Role: "tool", Content: "total 0\nfile.txt"},
			contains: []string{"file.txt"},
		},
		{
			name:     "bypass request flagged for approval",
			block:    Block{Role: "bypass", Content: "rm -rf /tmp/x"},
			contains: []string{"approval", "rm -rf /tmp/x"},
		},
		{
			name:     "bypass resolution rendered",
			block:    Block{Role: "bypass-resolved", Content: "approved"},
			contains: []string{"approved"},
		},
		{
			name:  "reasoning hidden",
			block: Block{Role: "reasoning", Content: "secret thoughts"},
			empty: true,
		},
		{
			name:  "context hidden",
			block: Block{Role: "context", Content: "system context"},
			empty: true,
		},
		{
			name:  "partial skipped",
			block: Block{Role: "assistant", Content: "streaming", Partial: true},
			empty: true,
		},
	}
	for _, tt := range tests {
		t.Run(tt.name, func(t *testing.T) {
			got := RenderBlock(tt.block)
			if tt.empty {
				if got != "" {
					t.Errorf("expected empty, got %q", got)
				}
				return
			}
			for _, want := range tt.contains {
				if !strings.Contains(got, want) {
					t.Errorf("RenderBlock = %q, want substring %q", got, want)
				}
			}
		})
	}
}