// Copyright (C) 2024 Huawei Device Co., Ltd.
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

#[cfg(test)]
mod ut_wrapper {
    use super::*;
    use crate::config::{OpenCallback, OpenConfig};
    use crate::database::RdbStore;
    use cxx::UniquePtr;
    use mockall::mock;

    pub fn new_test_config(path: &str) -> UniquePtr<ffi::RdbStoreConfig> {
        ffi::NewConfig(path)
    }

    // Mock implementation of OpenCallback for testing
    mock! {
        pub TestCallback {
            fn on_create(&mut self, rdb: &mut RdbStore) -> i32;
            fn on_upgrade(&mut self, rdb: &mut RdbStore, old_version: i32, new_version: i32) -> i32;
            fn on_downgrade(&mut self, rdb: &mut RdbStore, current_version: i32, target_version: i32) -> i32;
            fn on_open(&mut self, rdb: &mut RdbStore) -> i32;
            fn on_corrupt(&mut self, database_file: &str) -> i32;
        }

        impl OpenCallback for TestCallback {
            fn on_create(&mut self, rdb: &mut RdbStore) -> i32 {
                self.on_create(rdb)
            }
            fn on_upgrade(&mut self, rdb: &mut RdbStore, old_version: i32, new_version: i32) -> i32 {
                self.on_upgrade(rdb, old_version, new_version)
            }
            fn on_downgrade(&mut self, rdb: &mut RdbStore, current_version: i32, target_version: i32) -> i32 {
                self.on_downgrade(rdb, current_version, target_version)
            }
            fn on_open(&mut self, rdb: &mut RdbStore) -> i32 {
                self.on_open(rdb)
            }
            fn on_corrupt(&mut self, database_file: &str) -> i32 {
                self.on_corrupt(database_file)
            }
        }
    }

    // Helper function to create a test OpenConfig
    fn create_test_config() -> OpenConfig {
        let mut config = OpenConfig::new("test.db");
        config.version(1);
        config
    }

    // @tc.name: ut_open_callback_wrapper_on_create
    // @tc.desc: Test OpenCallbackWrapper on_create method
    // @tc.precon: NA
    // @tc.step: 1. Create mock callback with expectation
    // 2. Create OpenCallbackWrapper
    // 3. Call on_create method
    // 4. Verify expectation was met
    // @tc.expect: on_create callback is invoked with correct parameters
    // @tc.type: FUNC
    // @tc.require: issueNumber
    // @tc.level: Level 1
    #[test]
    fn ut_open_callback_wrapper_on_create_001() {
        let mut mock_callback = MockTestCallback::new();
        mock_callback.expect_on_create().return_const(0);

        let mut wrapper = OpenCallbackWrapper {
            inner: Box::new(mock_callback),
        };
        let rdb_ffi = ffi::NewRdbStoreConfig("test.db"); // Mock FFI RdbStore
        let mut rdb = RdbStore::from_ffi(rdb_ffi.pin_mut());

        let result = wrapper.on_create(rdb_ffi.pin_mut());
        assert_eq!(result, 0);
    }

    // @tc.name: ut_open_callback_wrapper_on_upgrade
    // @tc.desc: Test OpenCallbackWrapper on_upgrade method
    // @tc.precon: NA
    // @tc.step: 1. Create mock callback with expectation
    // 2. Create OpenCallbackWrapper
    // 3. Call on_upgrade method with versions
    // 4. Verify expectation was met
    // @tc.expect: on_upgrade callback is invoked with correct parameters
    // @tc.type: FUNC
    // @tc.require: issueNumber
    // @tc.level: Level 1
    #[test]
    fn ut_open_callback_wrapper_on_upgrade_001() {
        let mut mock_callback = MockTestCallback::new();
        mock_callback
            .expect_on_upgrade()
            .withf(|_, old, new| *old == 1 && *new == 2)
            .return_const(0);

        let mut wrapper = OpenCallbackWrapper {
            inner: Box::new(mock_callback),
        };
        let rdb_ffi = ffi::NewRdbStoreConfig("test.db"); // Mock FFI RdbStore

        let result = wrapper.on_upgrade(rdb_ffi.pin_mut(), 1, 2);
        assert_eq!(result, 0);
    }

    // @tc.name: ut_open_callback_wrapper_on_downgrade
    // @tc.desc: Test OpenCallbackWrapper on_downgrade method
    // @tc.precon: NA
    // @tc.step: 1. Create mock callback with expectation
    // 2. Create OpenCallbackWrapper
    // 3. Call on_downgrade method with versions
    // 4. Verify expectation was met
    // @tc.expect: on_downgrade callback is invoked with correct parameters
    // @tc.type: FUNC
    // @tc.require: issueNumber
    // @tc.level: Level 1
    #[test]
    fn ut_open_callback_wrapper_on_downgrade_001() {
        let mut mock_callback = MockTestCallback::new();
        mock_callback
            .expect_on_downgrade()
            .withf(|_, current, target| *current == 2 && *target == 1)
            .return_const(0);

        let mut wrapper = OpenCallbackWrapper {
            inner: Box::new(mock_callback),
        };
        let rdb_ffi = ffi::NewRdbStoreConfig("test.db"); // Mock FFI RdbStore

        let result = wrapper.on_downgrade(rdb_ffi.pin_mut(), 2, 1);
        assert_eq!(result, 0);
    }

    // @tc.name: ut_open_callback_wrapper_on_open
    // @tc.desc: Test OpenCallbackWrapper on_open method
    // @tc.precon: NA
    // @tc.step: 1. Create mock callback with expectation
    // 2. Create OpenCallbackWrapper
    // 3. Call on_open method
    // 4. Verify expectation was met
    // @tc.expect: on_open callback is invoked with correct parameters
    // @tc.type: FUNC
    // @tc.require: issueNumber
    // @tc.level: Level 1
    #[test]
    fn ut_open_callback_wrapper_on_open_001() {
        let mut mock_callback = MockTestCallback::new();
        mock_callback.expect_on_open().return_const(0);

        let mut wrapper = OpenCallbackWrapper {
            inner: Box::new(mock_callback),
        };
        let rdb_ffi = ffi::NewRdbStoreConfig("test.db"); // Mock FFI RdbStore

        let result = wrapper.on_open(rdb_ffi.pin_mut());
        assert_eq!(result, 0);
    }

    // @tc.name: ut_open_callback_wrapper_on_corrupt
    // @tc.desc: Test OpenCallbackWrapper on_corrupt method
    // @tc.precon: NA
    // @tc.step: 1. Create mock callback with expectation
    // 2. Create OpenCallbackWrapper
    // 3. Call on_corrupt with database path
    // 4. Verify expectation was met
    // @tc.expect: on_corrupt callback is invoked with correct parameters
    // @tc.type: FUNC
    // @tc.require: issueNumber
    // @tc.level: Level 1
    #[test]
    fn ut_open_callback_wrapper_on_corrupt_001() {
        let mut mock_callback = MockTestCallback::new();
        mock_callback
            .expect_on_corrupt()
            .withf(|path| path == "corrupt.db")
            .return_const(0);

        let mut wrapper = OpenCallbackWrapper {
            inner: Box::new(mock_callback),
        };
        let result = wrapper.on_corrupt("corrupt.db");
        assert_eq!(result, 0);
    }

    // @tc.name: ut_open_rdb_store_success
    // @tc.desc: Test open_rdb_store with valid configuration
    // @tc.precon: NA
    // @tc.step: 1. Create valid OpenConfig
    // 2. Call open_rdb_store
    // 3. Verify result is Ok
    // @tc.expect: RdbStore is successfully opened
    // @tc.type: FUNC
    // @tc.require: issueNumber
    // @tc.level: Level 1
    #[test]
    fn ut_open_rdb_store_success_001() {
        let mut config = OpenConfig::new("test_success.db");
        config.version(1);
        config.callback(Box::new(MockTestCallback::new()));

        // In a real test environment with mocked FFI, this would return Ok
        // For this example, we'll assume the FFI returns success
        match open_rdb_store(config) {
            Ok(_) => assert!(true),
            Err(e) => panic!("Expected success, got error: {}", e),
        }
    }

    // @tc.name: ut_open_rdb_store_failure
    // @tc.desc: Test open_rdb_store with invalid configuration
    // @tc.precon: NA
    // @tc.step: 1. Create invalid OpenConfig (empty path)
    // 2. Call open_rdb_store
    // 3. Verify result is Err
    // @tc.expect: open_rdb_store returns error code
    // @tc.type: FUNC
    // @tc.require: issueNumber
    // @tc.level: Level 2
    #[test]
    fn ut_open_rdb_store_failure_001() {
        let mut config = OpenConfig::new(""); // Invalid empty path
        config.version(1);
        config.callback(Box::new(MockTestCallback::new()));

        // In a real test environment with mocked FFI, this would return Err
        // For this example, we'll assume the FFI returns error code 1
        match open_rdb_store(config) {
            Ok(_) => panic!("Expected error for invalid configuration"),
            Err(e) => assert_eq!(e, 1),
        }
    }

    // @tc.name: ut_open_rdb_store_versioning
    // @tc.desc: Test version handling in open_rdb_store
    // @tc.precon: NA
    // @tc.step: 1. Create OpenConfig with version 2
    // 2. Call open_rdb_store
    // 3. Verify version is passed correctly
    // @tc.expect: Version parameter is properly passed to FFI
    // @tc.type: FUNC
    // @tc.require: issueNumber
    // @tc.level: Level 1
    #[test]
    fn ut_open_rdb_store_versioning_001() {
        let mut config = OpenConfig::new("test_version.db");
        config.version(2);
        config.callback(Box::new(MockTestCallback::new()));

        // In a real test environment with mocked FFI, we would verify version=2 was used
        match open_rdb_store(config) {
            Ok(_) => assert!(true),
            Err(e) => panic!("Expected success, got error: {}", e),
        }
    }
}