/*
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 * 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 io.appium.espressoserver.lib.model

import com.google.gson.annotations.Expose
import io.appium.espressoserver.lib.handlers.exceptions.AppiumException


const val SESSION_ID_PARAM_NAME = "sessionId"
const val ELEMENT_ID_PARAM_NAME = "elementId"

open class AppiumParams {
    @Expose(serialize = false, deserialize = true)
    private var uriParams: MutableMap<String, String>? = null

    val sessionId: String?
        get() = getUriParameterValue(SESSION_ID_PARAM_NAME)

    var elementId: String?
        get() = getUriParameterValue(ELEMENT_ID_PARAM_NAME)
        set(elementId) = setUriParameterValue(ELEMENT_ID_PARAM_NAME, elementId ?:
            throw AppiumException("Cannot set 'elementId' to null"))

    fun initUriMapping(params: Map<String, String>) {
        uriParams = params.toMutableMap()
    }

    fun getUriParameterValue(name: String): String? {
        uriParams?.let {
            return it[name]
        }
        return null
    }

    private fun setUriParameterValue(name: String, value: String) {
        uriParams?.let {
            it[name] = value
        } ?: run {
            uriParams = mutableMapOf(Pair(name, value))
        }

    }
}