package filedoc

import (
	"strings"
	"testing"
)

func TestNameAndDescription(t *testing.T) {
	tool := New(Config{APIKey: "k", Model: "gpt-4o-mini"}, 5000, nil)
	if tool.Name() != "extract_file_document" {
		t.Fatalf("unexpected tool name: %s", tool.Name())
	}
	if tool.Description() == "" {
		t.Fatal("description should not be empty")
	}
}

func TestParseInputPlainFileID(t *testing.T) {
	id, focus, err := parseInput("file_ec_452e96aad38940229058f193f5c5b9c6_12553222")
	if err != nil {
		t.Fatalf("parseInput returned error: %v", err)
	}
	if id != "file_ec_452e96aad38940229058f193f5c5b9c6_12553222" {
		t.Fatalf("unexpected id: %s", id)
	}
	if focus != "" {
		t.Fatalf("expected empty focus, got: %q", focus)
	}
}

func TestParseInputFileIDSchemeWithFocus(t *testing.T) {
	input := "fileid://file_ec_12345\n重点关注风险与建议"
	id, focus, err := parseInput(input)
	if err != nil {
		t.Fatalf("parseInput returned error: %v", err)
	}
	if id != "file_ec_12345" {
		t.Fatalf("unexpected id: %s", id)
	}
	if focus == "" {
		t.Fatal("expected non-empty focus")
	}
}

func TestParseInputJSON(t *testing.T) {
	input := `{"file_id":"file_ec_888", "focus":"提取关键结论"}`
	id, focus, err := parseInput(input)
	if err != nil {
		t.Fatalf("parseInput returned error: %v", err)
	}
	if id != "file_ec_888" {
		t.Fatalf("unexpected id: %s", id)
	}
	if focus != "提取关键结论" {
		t.Fatalf("unexpected focus: %s", focus)
	}
}

func TestParseInputInvalid(t *testing.T) {
	_, _, err := parseInput("hello world")
	if err == nil {
		t.Fatal("expected parse error")
	}
}

func TestBuildExtractionPrompt(t *testing.T) {
	p := buildExtractionPrompt("file_ec_abc", "关注测试条目")
	if p == "" {
		t.Fatal("prompt should not be empty")
	}
	if p != "" && !(strings.Contains(p, "file_ec_abc") && strings.Contains(p, "关注测试条目")) {
		t.Fatalf("unexpected prompt content: %s", p)
	}
}