package agents

import "testing"

func one(t *testing.T, line string) Act {
	t.Helper()
	acts := Translate([]byte(line))
	if len(acts) != 1 {
		t.Fatalf("Translate(%s) = %+v, want one act", line, acts)
	}
	return acts[0]
}

func TestTranslateInit(t *testing.T) {
	a := one(t, `{"type":"system","subtype":"init","session_id":"cs-123","model":"x"}`)
	if a.Kind != "init" || a.ClaudeSessionID != "cs-123" {
		t.Errorf("init: %+v", a)
	}
}

func TestTranslateToolUse(t *testing.T) {
	a := one(t, `{"type":"assistant","message":{"content":[{"type":"text","text":"Let me check."},{"type":"tool_use","name":"Bash","input":{"command":"go test ./internal/bot"}}]}}`)
	if a.Kind != "tool" || a.Tool != "Ran go test ./internal/bot" {
		t.Errorf("tool: %+v", a)
	}
	a = one(t, `{"type":"assistant","message":{"content":[{"type":"tool_use","name":"Read","input":{"file_path":"/x/y.go"}}]}}`)
	if a.Kind != "tool" || a.Tool != "Read /x/y.go" {
		t.Errorf("tool: %+v", a)
	}
}

func TestTranslateResultTurn(t *testing.T) {
	a := one(t, `{"type":"result","subtype":"success","result":"Fixed — the ticker fired early.","is_error":false,"session_id":"cs-123"}`)
	if a.Kind != "turn" || a.Text != "Fixed — the ticker fired early." {
		t.Errorf("turn: %+v", a)
	}
	a = one(t, `{"type":"result","subtype":"error_during_execution","result":"boom","is_error":true}`)
	if a.Kind != "error" || a.Text != "boom" {
		t.Errorf("error: %+v", a)
	}
}

func TestTranslateIgnoresNoise(t *testing.T) {
	for _, line := range []string{
		"not json",
		`{"type":"user","message":{"content":[{"type":"tool_result"}]}}`,
		`{"type":"stream_event","event":{"type":"content_block_delta"}}`,
		`{"type":"result","result":"","is_error":false}`,
		`{"type":"system","subtype":"compact"}`,
	} {
		if acts := Translate([]byte(line)); len(acts) != 0 {
			t.Errorf("Translate(%s) = %+v, want none", line, acts)
		}
	}
}

func TestClampLineFlattens(t *testing.T) {
	if got := clampLine("a\n  b\tc", 100); got != "a b c" {
		t.Errorf("clampLine: %q", got)
	}
}