/*
 * Jellyfin API
 * No description provided (generated by Openapi Generator https://github.com/openapitools/openapi-generator)
 *
 * The version of the OpenAPI document: 10.11.6
 * 
 *
 * NOTE: This class is auto generated by OpenAPI Generator (https://openapi-generator.tech).
 * https://openapi-generator.tech
 * Do not edit the class manually.
 */

package org.openhab.binding.jellyfin.internal.gen.current;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.time.Duration;
import java.util.Map;
import java.util.UUID;
import java.util.function.Consumer;

import org.openhab.binding.jellyfin.internal.gen.ApiClient;
import org.openhab.binding.jellyfin.internal.gen.ApiException;
import org.openhab.binding.jellyfin.internal.gen.ApiResponse;
import org.openhab.binding.jellyfin.internal.gen.Configuration;

import com.fasterxml.jackson.databind.ObjectMapper;

@jakarta.annotation.Generated(value = "org.openapitools.codegen.languages.JavaClientCodegen", comments = "OpenAPI Generator")
public class VideoAttachmentsApi {
    /**
     * Utility class for extending HttpRequest.Builder functionality.
     */
    private static class HttpRequestBuilderExtensions {
        /**
         * Adds additional headers to the provided HttpRequest.Builder. Useful for adding method/endpoint specific
         * headers.
         *
         * @param builder the HttpRequest.Builder to which headers will be added
         * @param headers a map of header names and values to add; may be null
         * @return the same HttpRequest.Builder instance with the additional headers set
         */
        static HttpRequest.Builder withAdditionalHeaders(HttpRequest.Builder builder, Map<String, String> headers) {
            if (headers != null) {
                for (Map.Entry<String, String> entry : headers.entrySet()) {
                    builder.header(entry.getKey(), entry.getValue());
                }
            }
            return builder;
        }
    }

    private final HttpClient memberVarHttpClient;
    private final ObjectMapper memberVarObjectMapper;
    private final String memberVarBaseUri;
    private final Consumer<HttpRequest.Builder> memberVarInterceptor;
    private final Duration memberVarReadTimeout;
    private final Consumer<HttpResponse<InputStream>> memberVarResponseInterceptor;
    private final Consumer<HttpResponse<InputStream>> memberVarAsyncResponseInterceptor;

    public VideoAttachmentsApi() {
        this(Configuration.getDefaultApiClient());
    }

    public VideoAttachmentsApi(ApiClient apiClient) {
        memberVarHttpClient = apiClient.getHttpClient();
        memberVarObjectMapper = apiClient.getObjectMapper();
        memberVarBaseUri = apiClient.getBaseUri();
        memberVarInterceptor = apiClient.getRequestInterceptor();
        memberVarReadTimeout = apiClient.getReadTimeout();
        memberVarResponseInterceptor = apiClient.getResponseInterceptor();
        memberVarAsyncResponseInterceptor = apiClient.getAsyncResponseInterceptor();
    }

    protected ApiException getApiException(String operationId, HttpResponse<InputStream> response) throws IOException {
        InputStream responseBody = ApiClient.getResponseBody(response);
        String body = null;
        try {
            body = responseBody == null ? null : new String(responseBody.readAllBytes());
        } finally {
            if (responseBody != null) {
                responseBody.close();
            }
        }
        String message = formatExceptionMessage(operationId, response.statusCode(), body);
        return new ApiException(response.statusCode(), message, response.headers(), body);
    }

    private String formatExceptionMessage(String operationId, int statusCode, String body) {
        if (body == null || body.isEmpty()) {
            body = "[no body]";
        }
        return operationId + " call failed with: " + statusCode + " - " + body;
    }

    /**
     * Download file from the given response.
     *
     * @param response Response
     * @return File
     * @throws ApiException If fail to read file content from response and write to disk
     */
    public File downloadFileFromResponse(HttpResponse<InputStream> response, InputStream responseBody)
            throws ApiException {
        if (responseBody == null) {
            throw new ApiException(new IOException("Response body is empty"));
        }
        try {
            File file = prepareDownloadFile(response);
            java.nio.file.Files.copy(responseBody, file.toPath(), java.nio.file.StandardCopyOption.REPLACE_EXISTING);
            return file;
        } catch (IOException e) {
            throw new ApiException(e);
        }
    }

    /**
     * <p>
     * Prepare the file for download from the response.
     * </p>
     *
     * @param response a {@link java.net.http.HttpResponse} object.
     * @return a {@link java.io.File} object.
     * @throws java.io.IOException if any.
     */
    private File prepareDownloadFile(HttpResponse<InputStream> response) throws IOException {
        String filename = null;
        java.util.Optional<String> contentDisposition = response.headers().firstValue("Content-Disposition");
        if (contentDisposition.isPresent() && !"".equals(contentDisposition.get())) {
            // Get filename from the Content-Disposition header.
            java.util.regex.Pattern pattern = java.util.regex.Pattern.compile("filename=['\"]?([^'\"\\s]+)['\"]?");
            java.util.regex.Matcher matcher = pattern.matcher(contentDisposition.get());
            if (matcher.find())
                filename = matcher.group(1);
        }
        File file = null;
        if (filename != null) {
            java.nio.file.Path tempDir = java.nio.file.Files.createTempDirectory("swagger-gen-native");
            java.nio.file.Path filePath = java.nio.file.Files.createFile(tempDir.resolve(filename));
            file = filePath.toFile();
            tempDir.toFile().deleteOnExit(); // best effort cleanup
            file.deleteOnExit(); // best effort cleanup
        } else {
            file = java.nio.file.Files.createTempFile("download-", "").toFile();
            file.deleteOnExit(); // best effort cleanup
        }
        return file;
    }

    /**
     * Get video attachment.
     * 
     * @param videoId Video ID. (required)
     * @param mediaSourceId Media Source ID. (required)
     * @param index Attachment Index. (required)
     * @return File
     * @throws ApiException if fails to make API call
     */
    public File getAttachment(@org.eclipse.jdt.annotation.NonNull UUID videoId,
            @org.eclipse.jdt.annotation.NonNull String mediaSourceId, @org.eclipse.jdt.annotation.NonNull Integer index)
            throws ApiException {
        return getAttachment(videoId, mediaSourceId, index, null);
    }

    /**
     * Get video attachment.
     * 
     * @param videoId Video ID. (required)
     * @param mediaSourceId Media Source ID. (required)
     * @param index Attachment Index. (required)
     * @param headers Optional headers to include in the request
     * @return File
     * @throws ApiException if fails to make API call
     */
    public File getAttachment(@org.eclipse.jdt.annotation.NonNull UUID videoId,
            @org.eclipse.jdt.annotation.NonNull String mediaSourceId, @org.eclipse.jdt.annotation.NonNull Integer index,
            Map<String, String> headers) throws ApiException {
        ApiResponse<File> localVarResponse = getAttachmentWithHttpInfo(videoId, mediaSourceId, index, headers);
        return localVarResponse.getData();
    }

    /**
     * Get video attachment.
     * 
     * @param videoId Video ID. (required)
     * @param mediaSourceId Media Source ID. (required)
     * @param index Attachment Index. (required)
     * @return ApiResponse&lt;File&gt;
     * @throws ApiException if fails to make API call
     */
    public ApiResponse<File> getAttachmentWithHttpInfo(@org.eclipse.jdt.annotation.NonNull UUID videoId,
            @org.eclipse.jdt.annotation.NonNull String mediaSourceId, @org.eclipse.jdt.annotation.NonNull Integer index)
            throws ApiException {
        return getAttachmentWithHttpInfo(videoId, mediaSourceId, index, null);
    }

    /**
     * Get video attachment.
     * 
     * @param videoId Video ID. (required)
     * @param mediaSourceId Media Source ID. (required)
     * @param index Attachment Index. (required)
     * @param headers Optional headers to include in the request
     * @return ApiResponse&lt;File&gt;
     * @throws ApiException if fails to make API call
     */
    public ApiResponse<File> getAttachmentWithHttpInfo(@org.eclipse.jdt.annotation.NonNull UUID videoId,
            @org.eclipse.jdt.annotation.NonNull String mediaSourceId, @org.eclipse.jdt.annotation.NonNull Integer index,
            Map<String, String> headers) throws ApiException {
        HttpRequest.Builder localVarRequestBuilder = getAttachmentRequestBuilder(videoId, mediaSourceId, index,
                headers);
        try {
            HttpResponse<InputStream> localVarResponse = memberVarHttpClient.send(localVarRequestBuilder.build(),
                    HttpResponse.BodyHandlers.ofInputStream());
            if (memberVarResponseInterceptor != null) {
                memberVarResponseInterceptor.accept(localVarResponse);
            }
            InputStream localVarResponseBody = null;
            try {
                if (localVarResponse.statusCode() / 100 != 2) {
                    throw getApiException("getAttachment", localVarResponse);
                }
                localVarResponseBody = ApiClient.getResponseBody(localVarResponse);
                if (localVarResponseBody == null) {
                    return new ApiResponse<File>(localVarResponse.statusCode(), localVarResponse.headers().map(), null);
                }

                // Handle file downloading.
                File responseValue = downloadFileFromResponse(localVarResponse, localVarResponseBody);

                return new ApiResponse<File>(localVarResponse.statusCode(), localVarResponse.headers().map(),
                        responseValue);
            } finally {
                if (localVarResponseBody != null) {
                    localVarResponseBody.close();
                }
            }
        } catch (IOException e) {
            throw new ApiException(e);
        } catch (InterruptedException e) {
            Thread.currentThread().interrupt();
            throw new ApiException(e);
        }
    }

    private HttpRequest.Builder getAttachmentRequestBuilder(@org.eclipse.jdt.annotation.NonNull UUID videoId,
            @org.eclipse.jdt.annotation.NonNull String mediaSourceId, @org.eclipse.jdt.annotation.NonNull Integer index,
            Map<String, String> headers) throws ApiException {
        // verify the required parameter 'videoId' is set
        if (videoId == null) {
            throw new ApiException(400, "Missing the required parameter 'videoId' when calling getAttachment");
        }
        // verify the required parameter 'mediaSourceId' is set
        if (mediaSourceId == null) {
            throw new ApiException(400, "Missing the required parameter 'mediaSourceId' when calling getAttachment");
        }
        // verify the required parameter 'index' is set
        if (index == null) {
            throw new ApiException(400, "Missing the required parameter 'index' when calling getAttachment");
        }

        HttpRequest.Builder localVarRequestBuilder = HttpRequest.newBuilder();

        String localVarPath = "/Videos/{videoId}/{mediaSourceId}/Attachments/{index}"
                .replace("{videoId}", ApiClient.urlEncode(videoId.toString()))
                .replace("{mediaSourceId}", ApiClient.urlEncode(mediaSourceId.toString()))
                .replace("{index}", ApiClient.urlEncode(index.toString()));

        localVarRequestBuilder.uri(URI.create(memberVarBaseUri + localVarPath));

        localVarRequestBuilder.header("Accept",
                "application/octet-stream, application/json, application/json; profile=CamelCase, application/json; profile=PascalCase, text/html");

        localVarRequestBuilder.method("GET", HttpRequest.BodyPublishers.noBody());
        if (memberVarReadTimeout != null) {
            localVarRequestBuilder.timeout(memberVarReadTimeout);
        }
        // Add custom headers if provided
        localVarRequestBuilder = HttpRequestBuilderExtensions.withAdditionalHeaders(localVarRequestBuilder, headers);
        if (memberVarInterceptor != null) {
            memberVarInterceptor.accept(localVarRequestBuilder);
        }
        return localVarRequestBuilder;
    }
}
