/*
 * Copyright 2019 New Vector 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.
 */

package im.vector.riotx.core.intent

import android.content.Context
import android.database.Cursor
import android.net.Uri
import android.provider.OpenableColumns

fun getFilenameFromUri(context: Context?, uri: Uri): String? {
    var result: String? = null
    if (context != null && uri.scheme == "content") {
        val cursor: Cursor? = context.contentResolver.query(uri, null, null, null, null)
        try {
            if (cursor != null && cursor.moveToFirst()) {
                result = cursor.getString(cursor.getColumnIndex(OpenableColumns.DISPLAY_NAME))
            }
        } finally {
            cursor?.close()
        }
    }
    if (result == null) {
        result = uri.path
        val cut = result.lastIndexOf('/')
        if (cut != -1) {
            result = result.substring(cut + 1)
        }
    }
    return result
}