package chat

import (
	"encoding/json"
	"testing"
)

func TestStripThinking(t *testing.T) {
	r, c := StripThinking("<think>hi</think>\n\nhello")
	if r != "hi" {
		t.Fatalf("reasoning=%q", r)
	}
	if c != "hello" {
		t.Fatalf("content=%q", c)
	}
}

func TestStripThinking_Truncated(t *testing.T) {
	_, c := StripThinking("before<think>this is truncated")
	if c != "before" {
		t.Fatalf("content=%q", c)
	}
}

func TestExtractToolCalls(t *testing.T) {
	args, _ := json.Marshal(map[string]any{"x": 1})
	s := "before<tool_call>\n{\"name\":\"f\",\"arguments\":" + string(args) + "}\n</tool_call>after"
	content, calls, err := ExtractToolCalls(s)
	if err != nil {
		t.Fatal(err)
	}
	if content != "beforeafter" {
		t.Fatalf("content=%q", content)
	}
	if len(calls) != 1 || calls[0].Name != "f" {
		t.Fatalf("calls=%+v", calls)
	}
}