/*
 * Copyright KG Soft
 *
 * 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 com.kgurgul.cpuinfo.data.provider

import com.kgurgul.cpuinfo.domain.model.ItemValue
import com.kgurgul.cpuinfo.shared.Res
import com.kgurgul.cpuinfo.shared.renderer
import com.kgurgul.cpuinfo.shared.vendor
import com.kgurgul.cpuinfo.shared.version
import kotlinx.browser.document
import org.khronos.webgl.WebGLRenderingContext
import org.w3c.dom.HTMLCanvasElement

actual class GpuDataProvider actual constructor() : IGpuDataProvider {

    actual override suspend fun getData(): List<ItemValue> {
        return buildList {
            val canvas = document.createElement("canvas") as HTMLCanvasElement
            val gl = canvas.getContext("webgl") as? WebGLRenderingContext
            gl?.getParameter(WebGLRenderingContext.VENDOR)?.let {
                add(ItemValue.NameResource(Res.string.vendor, it.toString()))
            }
            gl?.getParameter(WebGLRenderingContext.RENDERER)?.let {
                add(ItemValue.NameResource(Res.string.renderer, it.toString()))
            }
            gl?.getParameter(WebGLRenderingContext.VERSION)?.let {
                add(ItemValue.NameResource(Res.string.version, it.toString()))
            }
        }
    }
}
