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package com.multiplatform.webview.web

import com.multiplatform.webview.util.KLogger
import dev.datlag.kcef.KCEFBrowser
import org.cef.network.CefPostData
import org.cef.network.CefPostDataElement
import org.cef.network.CefRequest

/**
 * Created By Kevin Zou On 2023/9/12
 */
class DesktopWebView(private val webView: KCEFBrowser) : IWebView {
    override fun canGoBack() = webView.canGoBack()

    override fun canGoForward() = webView.canGoForward()

    override fun loadUrl(
        url: String,
        additionalHttpHeaders: Map,
    ) {
        if (additionalHttpHeaders.isNotEmpty()) {
            val request =
                CefRequest.create().apply {
                    this.url = url
                    this.setHeaderMap(additionalHttpHeaders)
                }
            webView.loadRequest(request)
        } else {
            webView.loadURL(url)
        }
    }

    override fun loadHtml(
        html: String?,
        baseUrl: String?,
        mimeType: String?,
        encoding: String?,
        historyUrl: String?,
    ) {
        KLogger.d {
            "DesktopWebView loadHtml"
        }
        if (html != null) {
            webView.loadHtml(html, baseUrl ?: KCEFBrowser.BLANK_URI)
        }
    }

    override suspend fun loadHtmlFile(fileName: String) {
        // TODO
    }

    override fun postUrl(
        url: String,
        postData: ByteArray,
    ) {
        val request =
            CefRequest.create().apply {
                this.url = url
                this.postData =
                    CefPostData.create().apply {
                        this.addElement(
                            CefPostDataElement.create().apply {
                                this.setToBytes(postData.size, postData)
                            },
                        )
                    }
            }
        webView.loadRequest(request)
    }

    override fun goBack() = webView.goBack()

    override fun goForward() = webView.goForward()

    override fun reload() = webView.reload()

    override fun stopLoading() = webView.stopLoad()

    override fun evaluateJavaScript(
        script: String,
        callback: ((String) -> Unit)?,
    ) {
        KLogger.d {
            "evaluateJavaScript: $script"
        }
        webView.evaluateJavaScript(script) {
            if (it != null) {
                callback?.invoke(it)
            }
        }
    }
}