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package at.hannibal2.skyhanni.utils
import at.hannibal2.skyhanni.SkyHanniMod
import at.hannibal2.skyhanni.test.command.ErrorManager
import com.google.gson.JsonElement
import com.google.gson.JsonObject
import com.google.gson.JsonParser
import com.google.gson.JsonSyntaxException
import org.apache.http.HttpEntity
import org.apache.http.client.config.RequestConfig
import org.apache.http.client.methods.HttpGet
import org.apache.http.client.methods.HttpPost
import org.apache.http.entity.ContentType
import org.apache.http.entity.StringEntity
import org.apache.http.impl.client.HttpClientBuilder
import org.apache.http.impl.client.HttpClients
import org.apache.http.message.BasicHeader
import org.apache.http.util.EntityUtils
import java.io.BufferedReader
import java.io.File
import java.io.FileInputStream
import java.io.InputStreamReader
import java.nio.charset.StandardCharsets
object APIUtil {
private val parser = JsonParser()
private var showApiErrors = false
data class ApiResponse(val success: Boolean, val message: String?, val data: JsonObject)
private val builder: HttpClientBuilder =
HttpClients.custom().setUserAgent("SkyHanni/${SkyHanniMod.version}")
.setDefaultHeaders(
mutableListOf(
BasicHeader("Pragma", "no-cache"),
BasicHeader("Cache-Control", "no-cache")
)
)
.setDefaultRequestConfig(
RequestConfig.custom()
.build()
)
.useSystemProperties()
/**
* TODO
* make suspend
* use withContext(Dispatchers.IO) { APIUtil.getJSONResponse(url) }.asJsonObject
*/
fun getJSONResponse(urlString: String, silentError: Boolean = false) =
getJSONResponseAsElement(urlString, silentError) as JsonObject
fun getJSONResponseAsElement(
urlString: String,
silentError: Boolean = false,
apiName: String = "Hypixel API",
): JsonElement {
val client = builder.build()
try {
client.execute(HttpGet(urlString)).use { response ->
val entity = response.entity
if (entity != null) {
val retSrc = EntityUtils.toString(entity)
try {
return parser.parse(retSrc)
} catch (e: JsonSyntaxException) {
val name = e.javaClass.name
val message = "$name: ${e.message}"
if (e.message?.contains("Use JsonReader.setLenient(true)") == true) {
println("MalformedJsonException: Use JsonReader.setLenient(true)")
println(" - getJSONResponse: '$urlString'")
ChatUtils.debug("MalformedJsonException: Use JsonReader.setLenient(true)")
} else if (retSrc.contains("<center><h1>502 Bad Gateway</h1></center>")) {
if (showApiErrors && apiName == "Hypixel API") {
ChatUtils.clickableChat(
"Problems with detecting the Hypixel API. §eClick here to hide this message for now.",
onClick = {
toggleApiErrorMessages()
}
)
}
ErrorManager.skyHanniError(
"SkyHanni Connection Error",
"error message" to "$message(502 Bad Gateway)",
"apiName" to apiName,
"urlString" to urlString,
"returnedData" to retSrc
)
} else {
ErrorManager.skyHanniError(
"SkyHanni Connection Error",
"error message" to message,
"apiName" to apiName,
"urlString" to urlString,
"returnedData" to retSrc
)
}
}
}
}
} catch (e: Throwable) {
if (silentError) {
throw e
}
val name = e.javaClass.name
val message = "$name: ${e.message}"
ErrorManager.skyHanniError(
"SkyHanni Connection Error",
"error message" to message,
"urlString" to urlString,
)
} finally {
client.close()
}
return JsonObject()
}
fun postJSON(urlString: String, body: String, silentError: Boolean = false): ApiResponse {
val client = builder.build()
try {
val method = HttpPost(urlString)
method.entity = StringEntity(body, ContentType.APPLICATION_JSON)
client.execute(method).use { response ->
val status = response.statusLine
val entity = response.entity
if (status.statusCode in 200..299) {
val data = readResponse(entity)
return ApiResponse(true, "Request successful", data)
}
val message = "POST request to '$urlString' returned status ${status.statusCode}"
ErrorManager.logErrorStateWithData(
"Error communicating with API", "APIUtil POST request returned an error code",
"statusCode" to status.statusCode,
"urlString" to urlString,
"body" to body,
)
return ApiResponse(false, message, JsonObject())
}
} catch (throwable: Throwable) {
if (silentError) {
throw throwable
}
ErrorManager.logErrorWithData(
throwable, "SkyHanni ran into an ${throwable::class.simpleName ?: "error"} whilst sending a resource",
"urlString" to urlString,
"body" to body,
)
return ApiResponse(false, throwable.message, JsonObject())
} finally {
client.close()
}
}
private fun readResponse(entity: HttpEntity): JsonObject {
val retSrc = EntityUtils.toString(entity) ?: return JsonObject()
val parsed = parser.parse(retSrc)
if (parsed.isJsonNull) return JsonObject()
return parsed as JsonObject
}
fun postJSONIsSuccessful(url: String, body: String, silentError: Boolean = false): Boolean {
val response = postJSON(url, body, silentError)
if (response.success) {
return true
}
ErrorManager.logErrorStateWithData(
"An error occurred during the API request",
"unsuccessful API response",
"url" to url,
"body" to body,
"message" to response.message,
"response" to response,
)
return false
}
fun readFile(file: File): BufferedReader {
return BufferedReader(InputStreamReader(FileInputStream(file), StandardCharsets.UTF_8))
}
fun toggleApiErrorMessages() {
showApiErrors = !showApiErrors
ChatUtils.chat("Hypixel API error messages " + if (showApiErrors) "§chidden" else "§ashown")
}
}
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