package flyto

import (
	"errors"
	"testing"
)

// TestEventType_AllEvents verifies every Event implementation returns
// the correct EventType string. Table-driven to cover all 21 types.
func TestEventType_AllEvents(t *testing.T) {
	cases := []struct {
		event    Event
		wantType string
	}{
		{&TextDeltaEvent{Text: "hi"}, "text_delta"},
		{&TextEvent{Text: "hi"}, "text"},
		{&ThinkingDeltaEvent{Text: "hmm"}, "thinking_delta"},
		{&ThinkingEvent{Text: "hmm"}, "thinking"},
		{&ToolUseEvent{ID: "t1", ToolName: "Bash"}, "tool_use"},
		{&ToolResultEvent{ID: "t1"}, "tool_result"},
		{&ToolProgressEvent{ID: "t1"}, "tool_progress"},
		{&PermissionRequestEvent{ToolName: "Bash"}, "permission_request"},
		{&TurnStartEvent{TurnNumber: 1}, "turn_start"},
		{&TurnEndEvent{TurnNumber: 1}, "turn_end"},
		{&CompactEvent{Summary: "compressed"}, "compact"},
		{&DoneEvent{}, "done"},
		{&ErrorEvent{Err: errors.New("x"), Code: "test"}, "error"},
		{&SessionInfoEvent{SessionID: "s1"}, "session_info"},
		{&PermissionLearnEvent{}, "permission_learn"},
		{&WarningEvent{Message: "warn"}, "warning"},
		{&ToolSummaryEvent{ToolName: "Bash"}, "tool_summary"},
		{&SlashCommandEvent{Name: "/help"}, "slash_command"},
		{&CheckpointEvent{ToolCallID: "cp1"}, "checkpoint"},
		{&CheckpointSuggestedEvent{}, "checkpoint_suggested"},
		{&InboxMessageEvent{}, "inbox_message"},
		{&UsageEvent{InputTokens: 100}, "usage"},
	}

	for _, tc := range cases {
		got := tc.event.EventType()
		if got != tc.wantType {
			t.Errorf("%T.EventType() = %q, want %q", tc.event, got, tc.wantType)
		}
	}
}

func TestErrorEvent_Error(t *testing.T) {
	e := &ErrorEvent{
		Err:  errors.New("something failed"),
		Code: "internal",
	}
	if got := e.Error(); got != "something failed" {
		t.Errorf("ErrorEvent.Error() = %q, want %q", got, "something failed")
	}
}