package com.se.simu.config;

import com.se.simu.helper.CaffeineHelper;
import com.se.simu.helper.GdalHelper;
import com.se.simu.helper.WebHelper;
import lombok.extern.slf4j.Slf4j;
import org.gdal.gdal.Band;
import org.gdal.gdal.Dataset;
import org.gdal.gdal.Driver;
import org.gdal.gdal.gdal;
import org.gdal.gdalconst.gdalconstConstants;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.boot.ApplicationArguments;
import org.springframework.boot.ApplicationRunner;
import org.springframework.core.env.Environment;
import org.springframework.stereotype.Component;

import javax.annotation.Resource;

@Slf4j
@Component
@SuppressWarnings("ALL")
public class InitConfig implements ApplicationRunner {
    @Resource
    Environment env;

    @Value("${server.port}")
    String serverPort;

    @Value("${config.cacheTime}")
    Integer cacheTime;

    @Value("${server.servlet.context-path}")
    String contextPath;

    @Override
    public void run(ApplicationArguments args) {
        // noinspection AlibabaRemoveCommentedCode
        try {
            log.info("***************** 初始化 GDAL *****************" + "\n");
            GdalHelper.init(env.getProperty("config.gdalPath"));
            CaffeineHelper.init(cacheTime);

            String path = null != contextPath && contextPath.length() > 1 ? contextPath : "";
            log.info("API文档:http://localhost:" + serverPort + path + "/doc.html");
            log.info("API文档:http://{}:{}{}/doc.html", WebHelper.getHostIp(), serverPort, path);

            log.info("***************** 系统启动完毕 *****************" + "\n");

            //log.info("***************** 读取tif文件 *****************" + "\n");
            // 读取tif文件
            //readTif("D:\\soft\\env\\tif\\srtm_12_03.tif");
            //log.info("***************** 读取tif文件完毕 *****************" + "\n");


        } catch (Exception ex) {
            log.error(ex.getMessage(), ex);
        }
    }


    /**
     * 读取tif文件
     *
     * @param fileName
     */
    public static void readTif(String fileName) {
        // 读取影像数据
        Dataset dataset = gdal.Open(fileName, gdalconstConstants.GA_ReadOnly);
        if (dataset == null) {
            System.out.println("read fail!");
            return;
        }

        // providing various methods for a format specific driver.
        Driver driver = dataset.GetDriver();
        System.out.println("driver name: " + driver.getLongName());

        // 读取影像信息
        int xSize = dataset.getRasterXSize();
        int ySzie = dataset.getRasterYSize();
        int rasterCount = dataset.getRasterCount();
        System.out.println("dataset xSize: " + xSize + ", ySzie = " + ySzie + ", rasterCount = " + rasterCount);

        Band band = dataset.GetRasterBand(1);
        // the data type of the band.
        int type = band.GetRasterDataType();
        System.out.println("data type = " + type + ", " + (type == gdalconstConstants.GDT_Byte));

        // Frees the native resource associated to a Dataset object and close the file.
        dataset.delete();

        gdal.GDALDestroyDriverManager();
    }



}