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package eleme.openapi.sdk.oauth;

import eleme.openapi.sdk.config.Constants;
import eleme.openapi.sdk.oauth.response.ErrorResponse;
import eleme.openapi.sdk.utils.Base64;
import eleme.openapi.sdk.utils.EleHashMap;

import java.util.Map;
import java.util.UUID;

public abstract class BaseOAuthRequest implements OAuthRequest {

    protected Map headerMap; // HTTP请求头参数
    protected Map bodyMap; // HTTP Body参数
    protected EleHashMap customParams; // 自定义表单参数

    protected void setAuthorization(String appKey, String appSecret, String sign) {
        String headOauthKey = Constants.HEAD_OAUTH_KEY;
        this.putHeaderParam(headOauthKey, this.getBasic(appKey, appSecret), sign);
    }

    public void putHeaderParam(String key, String value, String sign) {
        if (headerMap == null) {
            headerMap = new EleHashMap();
        }
        this.headerMap.put(key, value);
        String reqId = getReqID();
        this.headerMap.put("x-eleme-requestid", reqId);
        System.out.println(String.format("%s request id is %s", sign, reqId));
    }

    public void setHeaderMap(Map headerMap) {
        this.headerMap = headerMap;
    }

    public void putBodyParam(String key, String value) {
        if (bodyMap == null) {
            bodyMap = new EleHashMap();
        }
        this.bodyMap.put(key, value);
    }

    private String getBasic(String appKey, String appSecret) {
        StringBuilder sb = new StringBuilder();
        StringBuilder basicContent = new StringBuilder();
        basicContent.append(appKey).append(":").append(appSecret);
        String encodeToString = Base64.encodeToString(basicContent.toString().getBytes(), false);
        sb.append("Basic").append(" ").append(encodeToString);
        return sb.toString();
    }

    private static String getReqID() {
        String rid;
        try {
            String uuid = UUID.randomUUID().toString().replaceAll("-", "");
            if (uuid.length() > 32) {
                uuid = uuid.substring(0, 32);
            }
            rid = uuid.toUpperCase();
        } catch (Exception e) {
            rid = "00112233445566778899AABBCCDDEEFF";
        }
        return rid + "|" + System.currentTimeMillis();
    }

}