// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include <string>
#include <vector>

#include "base/file_util.h"
#include "base/path_service.h"
#include "base/stl_util.h"
#include "base/string_number_conversions.h"
#include "base/time.h"
#include "base/utf_string_conversions.h"
#include "chrome/common/chrome_paths.h"
#include "chrome/browser/search_engines/template_url.h"
#include "chrome/browser/webdata/keyword_table.h"
#include "chrome/browser/webdata/web_database.h"
#include "sql/statement.h"
#include "testing/gtest/include/gtest/gtest.h"

using base::Time;
using base::TimeDelta;

class KeywordTableTest : public testing::Test {
 public:
  KeywordTableTest() {}
  virtual ~KeywordTableTest() {}

 protected:
  virtual void SetUp() {
    PathService::Get(chrome::DIR_TEST_DATA, &file_);
    const std::string test_db = "TestWebDatabase" +
        base::Int64ToString(Time::Now().ToTimeT()) +
        ".db";
    file_ = file_.AppendASCII(test_db);
    file_util::Delete(file_, false);
  }

  virtual void TearDown() {
    file_util::Delete(file_, false);
  }

  FilePath file_;

 private:
  DISALLOW_COPY_AND_ASSIGN(KeywordTableTest);
};


TEST_F(KeywordTableTest, Keywords) {
  WebDatabase db;
  ASSERT_EQ(sql::INIT_OK, db.Init(file_));
  KeywordTable* keyword_table = db.GetKeywordTable();

  TemplateURLData keyword;
  keyword.short_name = ASCIIToUTF16("short_name");
  keyword.SetKeyword(ASCIIToUTF16("keyword"));
  keyword.SetURL("http://url/");
  keyword.instant_url = "http://instant/";
  keyword.favicon_url = GURL("http://favicon.url/");
  keyword.originating_url = GURL("http://google.com/");
  keyword.show_in_default_list = true;
  keyword.safe_for_autoreplace = true;
  keyword.input_encodings.push_back("UTF-8");
  keyword.input_encodings.push_back("UTF-16");
  keyword.id = 1;
  keyword.date_created = Time::Now();
  keyword.last_modified = keyword.date_created + TimeDelta::FromSeconds(10);
  keyword.created_by_policy = true;
  keyword.usage_count = 32;
  keyword.prepopulate_id = 10;
  TemplateURL url(keyword);
  EXPECT_TRUE(keyword_table->AddKeyword(url));

  KeywordTable::Keywords keywords;
  EXPECT_TRUE(keyword_table->GetKeywords(&keywords));
  EXPECT_EQ(1U, keywords.size());
  const TemplateURLData& restored_keyword = keywords.front();

  EXPECT_EQ(keyword.short_name, restored_keyword.short_name);
  EXPECT_EQ(url.keyword(), TemplateURL(restored_keyword).keyword());
  EXPECT_EQ(keyword.autogenerate_keyword(),
            restored_keyword.autogenerate_keyword());
  EXPECT_EQ(keyword.url(), restored_keyword.url());
  EXPECT_EQ(keyword.suggestions_url, restored_keyword.suggestions_url);
  EXPECT_EQ(keyword.instant_url, restored_keyword.instant_url);
  EXPECT_EQ(keyword.favicon_url, restored_keyword.favicon_url);
  EXPECT_EQ(keyword.originating_url, restored_keyword.originating_url);
  EXPECT_EQ(keyword.show_in_default_list,
            restored_keyword.show_in_default_list);
  EXPECT_EQ(keyword.safe_for_autoreplace,
            restored_keyword.safe_for_autoreplace);
  EXPECT_EQ(keyword.input_encodings, restored_keyword.input_encodings);
  EXPECT_EQ(keyword.id, restored_keyword.id);
  // The database stores time only at the resolution of a second.
  EXPECT_EQ(keyword.date_created.ToTimeT(),
            restored_keyword.date_created.ToTimeT());
  EXPECT_EQ(keyword.last_modified.ToTimeT(),
            restored_keyword.last_modified.ToTimeT());
  EXPECT_EQ(keyword.created_by_policy, restored_keyword.created_by_policy);
  EXPECT_EQ(keyword.usage_count, restored_keyword.usage_count);
  EXPECT_EQ(keyword.prepopulate_id, restored_keyword.prepopulate_id);

  EXPECT_TRUE(keyword_table->RemoveKeyword(restored_keyword.id));

  KeywordTable::Keywords empty_keywords;
  EXPECT_TRUE(keyword_table->GetKeywords(&empty_keywords));
  EXPECT_EQ(0U, empty_keywords.size());
}

TEST_F(KeywordTableTest, KeywordMisc) {
  WebDatabase db;
  ASSERT_EQ(sql::INIT_OK, db.Init(file_));
  KeywordTable* keyword_table = db.GetKeywordTable();

  EXPECT_EQ(kInvalidTemplateURLID, keyword_table->GetDefaultSearchProviderID());
  EXPECT_EQ(0, keyword_table->GetBuiltinKeywordVersion());

  TemplateURLData keyword;
  keyword.short_name = ASCIIToUTF16("short_name");
  keyword.SetKeyword(ASCIIToUTF16("keyword"));
  keyword.SetURL("http://url/");
  keyword.instant_url = "http://instant/";
  keyword.favicon_url = GURL("http://favicon.url/");
  keyword.originating_url = GURL("http://google.com/");
  keyword.show_in_default_list = true;
  keyword.safe_for_autoreplace = true;
  keyword.input_encodings.push_back("UTF-8");
  keyword.input_encodings.push_back("UTF-16");
  keyword.id = 10;
  keyword.date_created = Time::Now();
  keyword.last_modified = keyword.date_created + TimeDelta::FromSeconds(10);
  keyword.created_by_policy = true;
  keyword.usage_count = 32;
  keyword.prepopulate_id = 10;
  TemplateURL url(keyword);
  EXPECT_TRUE(keyword_table->AddKeyword(url));

  EXPECT_TRUE(keyword_table->SetDefaultSearchProviderID(10));
  EXPECT_TRUE(keyword_table->SetBuiltinKeywordVersion(11));

  EXPECT_EQ(10, keyword_table->GetDefaultSearchProviderID());
  EXPECT_EQ(11, keyword_table->GetBuiltinKeywordVersion());
}

TEST_F(KeywordTableTest, DefaultSearchProviderBackup) {
  // TODO(ivankr): suppress keyword_table.cc ERROR logs.
  WebDatabase db;
  ASSERT_EQ(sql::INIT_OK, db.Init(file_));
  KeywordTable* keyword_table = db.GetKeywordTable();

  EXPECT_EQ(kInvalidTemplateURLID, keyword_table->GetDefaultSearchProviderID());

  TemplateURLData keyword;
  keyword.short_name = ASCIIToUTF16("short_name");
  keyword.SetKeyword(ASCIIToUTF16("keyword"));
  keyword.SetURL("http://url/");
  keyword.suggestions_url = "url2";
  keyword.favicon_url = GURL("http://favicon.url/");
  keyword.show_in_default_list = true;
  keyword.safe_for_autoreplace = true;
  keyword.id = 1;
  TemplateURL url(keyword);
  EXPECT_TRUE(keyword_table->AddKeyword(url));

  EXPECT_TRUE(keyword_table->SetDefaultSearchProviderID(1));
  EXPECT_TRUE(keyword_table->IsBackupSignatureValid());
  EXPECT_EQ(1, keyword_table->GetDefaultSearchProviderID());

  TemplateURLData backup;
  EXPECT_TRUE(keyword_table->GetDefaultSearchProviderBackup(&backup));
  // Backup URL should have an invalid ID.
  EXPECT_EQ(kInvalidTemplateURLID, backup.id);
  EXPECT_EQ(keyword.short_name, backup.short_name);
  EXPECT_EQ(url.keyword(), TemplateURL(backup).keyword());
  EXPECT_EQ(keyword.url(), backup.url());
  EXPECT_EQ(keyword.favicon_url, backup.favicon_url);
  EXPECT_EQ(keyword.suggestions_url, backup.suggestions_url);
  EXPECT_EQ(keyword.show_in_default_list, backup.show_in_default_list);
  EXPECT_EQ(keyword.safe_for_autoreplace, backup.safe_for_autoreplace);
  EXPECT_FALSE(keyword_table->DidDefaultSearchProviderChange());

  // Change the actual setting.
  EXPECT_TRUE(keyword_table->meta_table_->SetValue(
      KeywordTable::kDefaultSearchProviderKey, 2));
  EXPECT_TRUE(keyword_table->IsBackupSignatureValid());
  EXPECT_EQ(2, keyword_table->GetDefaultSearchProviderID());

  EXPECT_TRUE(keyword_table->GetDefaultSearchProviderBackup(&backup));
  EXPECT_EQ(kInvalidTemplateURLID, backup.id);
  EXPECT_EQ(keyword.short_name, backup.short_name);
  EXPECT_EQ(url.keyword(), TemplateURL(backup).keyword());
  EXPECT_EQ(keyword.url(), backup.url());
  EXPECT_EQ(keyword.favicon_url, backup.favicon_url);
  EXPECT_EQ(keyword.suggestions_url, backup.suggestions_url);
  EXPECT_EQ(keyword.show_in_default_list, backup.show_in_default_list);
  EXPECT_EQ(keyword.safe_for_autoreplace, backup.safe_for_autoreplace);
  EXPECT_TRUE(keyword_table->DidDefaultSearchProviderChange());

  // Change the backup.
  EXPECT_TRUE(keyword_table->meta_table_->SetValue(
      KeywordTable::kDefaultSearchProviderKey, 1));
  EXPECT_TRUE(keyword_table->meta_table_->SetValue(
      KeywordTable::kDefaultSearchIDBackupKey, 2));
  EXPECT_FALSE(keyword_table->IsBackupSignatureValid());
  EXPECT_EQ(1, keyword_table->GetDefaultSearchProviderID());
  EXPECT_FALSE(keyword_table->GetDefaultSearchProviderBackup(&backup));
  EXPECT_TRUE(keyword_table->DidDefaultSearchProviderChange());

  // Change the signature.
  EXPECT_TRUE(keyword_table->meta_table_->SetValue(
      KeywordTable::kDefaultSearchIDBackupKey, 1));
  EXPECT_TRUE(keyword_table->meta_table_->SetValue(
      KeywordTable::kBackupSignatureKey, std::string()));
  EXPECT_FALSE(keyword_table->IsBackupSignatureValid());
  EXPECT_EQ(1, keyword_table->GetDefaultSearchProviderID());
  EXPECT_FALSE(keyword_table->GetDefaultSearchProviderBackup(&backup));
  EXPECT_TRUE(keyword_table->DidDefaultSearchProviderChange());

  // Change keywords.
  EXPECT_TRUE(keyword_table->UpdateBackupSignature());
  sql::Statement remove_keyword(keyword_table->db_->GetUniqueStatement(
      "DELETE FROM keywords WHERE id=1"));
  EXPECT_TRUE(remove_keyword.Run());
  EXPECT_TRUE(keyword_table->IsBackupSignatureValid());
  EXPECT_EQ(1, keyword_table->GetDefaultSearchProviderID());

  EXPECT_TRUE(keyword_table->GetDefaultSearchProviderBackup(&backup));
  EXPECT_EQ(kInvalidTemplateURLID, backup.id);
  EXPECT_EQ(keyword.short_name, backup.short_name);
  EXPECT_EQ(url.keyword(), TemplateURL(backup).keyword());
  EXPECT_EQ(keyword.url(), backup.url());
  EXPECT_EQ(keyword.suggestions_url, backup.suggestions_url);
  EXPECT_EQ(keyword.favicon_url, backup.favicon_url);
  EXPECT_EQ(keyword.show_in_default_list, backup.show_in_default_list);
  EXPECT_EQ(keyword.safe_for_autoreplace, backup.safe_for_autoreplace);
  EXPECT_TRUE(keyword_table->DidDefaultSearchProviderChange());

  // Change keywords backup.
  sql::Statement remove_keyword_backup(keyword_table->db_->GetUniqueStatement(
      "DELETE FROM keywords_backup WHERE id=1"));
  EXPECT_TRUE(remove_keyword_backup.Run());
  EXPECT_FALSE(keyword_table->IsBackupSignatureValid());
  EXPECT_EQ(1, keyword_table->GetDefaultSearchProviderID());
  EXPECT_FALSE(keyword_table->GetDefaultSearchProviderBackup(&backup));
  EXPECT_TRUE(keyword_table->DidDefaultSearchProviderChange());
}

TEST_F(KeywordTableTest, GetTableContents) {
  WebDatabase db;
  ASSERT_EQ(sql::INIT_OK, db.Init(file_));
  KeywordTable* keyword_table = db.GetKeywordTable();

  TemplateURLData keyword;
  keyword.short_name = ASCIIToUTF16("short_name");
  keyword.SetKeyword(ASCIIToUTF16("keyword"));
  keyword.SetURL("http://url/");
  keyword.suggestions_url = "url2";
  keyword.favicon_url = GURL("http://favicon.url/");
  keyword.show_in_default_list = true;
  keyword.safe_for_autoreplace = true;
  keyword.id = 1;
  keyword.date_created = base::Time::UnixEpoch();
  keyword.last_modified = base::Time::UnixEpoch();
  keyword.sync_guid = "1234-5678-90AB-CDEF";
  TemplateURL url(keyword);
  EXPECT_TRUE(keyword_table->AddKeyword(url));

  keyword.SetAutogenerateKeyword(true);
  keyword.instant_url = "http://instant2/";
  keyword.originating_url = GURL("http://originating.url/");
  keyword.input_encodings.push_back("Shift_JIS");
  keyword.id = 2;
  keyword.prepopulate_id = 5;
  keyword.sync_guid = "FEDC-BA09-8765-4321";
  TemplateURL url2(keyword);
  EXPECT_TRUE(keyword_table->AddKeyword(url2));

  const char kTestContents[] = "1short_namekeywordhttp://favicon.url/"
      "http://url/1001url2000001234-5678-90AB-CDEF2short_nameurl"
      "http://favicon.url/http://url/1http://originating.url/00Shift_JIS1url251"
      "00http://instant2/0FEDC-BA09-8765-4321";

  std::string contents;
  EXPECT_TRUE(keyword_table->GetTableContents("keywords", &contents));
  EXPECT_EQ(kTestContents, contents);

  EXPECT_TRUE(keyword_table->GetTableContents("keywords_backup", &contents));
  EXPECT_EQ(kTestContents, contents);
}

TEST_F(KeywordTableTest, GetTableContentsOrdering) {
  WebDatabase db;
  ASSERT_EQ(sql::INIT_OK, db.Init(file_));
  KeywordTable* keyword_table = db.GetKeywordTable();

  TemplateURLData keyword;
  keyword.short_name = ASCIIToUTF16("short_name");
  keyword.SetKeyword(ASCIIToUTF16("keyword"));
  keyword.SetURL("http://url/");
  keyword.suggestions_url = "url2";
  keyword.favicon_url = GURL("http://favicon.url/");
  keyword.show_in_default_list = true;
  keyword.safe_for_autoreplace = true;
  keyword.id = 2;
  keyword.date_created = base::Time::UnixEpoch();
  keyword.last_modified = base::Time::UnixEpoch();
  keyword.sync_guid = "1234-5678-90AB-CDEF";
  TemplateURL url(keyword);
  EXPECT_TRUE(keyword_table->AddKeyword(url));

  keyword.SetAutogenerateKeyword(true);
  keyword.instant_url = "http://instant2/";
  keyword.originating_url = GURL("http://originating.url/");
  keyword.input_encodings.push_back("Shift_JIS");
  keyword.id = 1;
  keyword.prepopulate_id = 5;
  keyword.sync_guid = "FEDC-BA09-8765-4321";
  TemplateURL url2(keyword);
  EXPECT_TRUE(keyword_table->AddKeyword(url2));

  const char kTestContents[] = "1short_nameurlhttp://favicon.url/http://url/1"
      "http://originating.url/00Shift_JIS1url25100http://instant2/0"
      "FEDC-BA09-8765-43212short_namekeywordhttp://favicon.url/http://url/1001"
      "url2000001234-5678-90AB-CDEF";

  std::string contents;
  EXPECT_TRUE(keyword_table->GetTableContents("keywords", &contents));
  EXPECT_EQ(kTestContents, contents);

  EXPECT_TRUE(keyword_table->GetTableContents("keywords_backup", &contents));
  EXPECT_EQ(kTestContents, contents);
}

TEST_F(KeywordTableTest, UpdateKeyword) {
  WebDatabase db;
  ASSERT_EQ(sql::INIT_OK, db.Init(file_));
  KeywordTable* keyword_table = db.GetKeywordTable();

  TemplateURLData keyword;
  keyword.short_name = ASCIIToUTF16("short_name");
  keyword.SetKeyword(ASCIIToUTF16("keyword"));
  keyword.SetURL("http://url/");
  keyword.suggestions_url = "url2";
  keyword.favicon_url = GURL("http://favicon.url/");
  keyword.show_in_default_list = true;
  keyword.safe_for_autoreplace = true;
  keyword.id = 1;
  TemplateURL url(keyword);
  EXPECT_TRUE(keyword_table->AddKeyword(url));

  keyword.originating_url = GURL("http://originating.url/");
  keyword.SetAutogenerateKeyword(true);
  keyword.instant_url = "http://instant2/";
  keyword.input_encodings.push_back("Shift_JIS");
  keyword.prepopulate_id = 5;
  TemplateURL url2(keyword);
  EXPECT_TRUE(keyword_table->UpdateKeyword(url2));

  KeywordTable::Keywords keywords;
  EXPECT_TRUE(keyword_table->GetKeywords(&keywords));
  EXPECT_EQ(1U, keywords.size());
  const TemplateURLData& restored_keyword = keywords.front();

  EXPECT_EQ(keyword.short_name, restored_keyword.short_name);
  EXPECT_EQ(url2.keyword(), TemplateURL(restored_keyword).keyword());
  EXPECT_EQ(keyword.autogenerate_keyword(),
            restored_keyword.autogenerate_keyword());
  EXPECT_EQ(keyword.suggestions_url, restored_keyword.suggestions_url);
  EXPECT_EQ(keyword.instant_url, restored_keyword.instant_url);
  EXPECT_EQ(keyword.favicon_url, restored_keyword.favicon_url);
  EXPECT_EQ(keyword.originating_url, restored_keyword.originating_url);
  EXPECT_EQ(keyword.show_in_default_list,
            restored_keyword.show_in_default_list);
  EXPECT_EQ(keyword.safe_for_autoreplace,
            restored_keyword.safe_for_autoreplace);
  EXPECT_EQ(keyword.input_encodings, restored_keyword.input_encodings);
  EXPECT_EQ(keyword.id, restored_keyword.id);
  EXPECT_EQ(keyword.prepopulate_id, restored_keyword.prepopulate_id);
}

TEST_F(KeywordTableTest, KeywordWithNoFavicon) {
  WebDatabase db;
  ASSERT_EQ(sql::INIT_OK, db.Init(file_));
  KeywordTable* keyword_table = db.GetKeywordTable();

  TemplateURLData keyword;
  keyword.short_name = ASCIIToUTF16("short_name");
  keyword.SetKeyword(ASCIIToUTF16("keyword"));
  keyword.SetURL("http://url/");
  keyword.safe_for_autoreplace = true;
  keyword.id = -100;
  TemplateURL url(keyword);
  EXPECT_TRUE(keyword_table->AddKeyword(url));

  KeywordTable::Keywords keywords;
  EXPECT_TRUE(keyword_table->GetKeywords(&keywords));
  EXPECT_EQ(1U, keywords.size());
  const TemplateURLData& restored_keyword = keywords.front();

  EXPECT_EQ(keyword.short_name, restored_keyword.short_name);
  EXPECT_EQ(url.keyword(), TemplateURL(restored_keyword).keyword());
  EXPECT_EQ(keyword.favicon_url, restored_keyword.favicon_url);
  EXPECT_EQ(keyword.safe_for_autoreplace,
            restored_keyword.safe_for_autoreplace);
  EXPECT_EQ(keyword.id, restored_keyword.id);
}