@RestResource(urlMapping='/OFSUploadImage/*')
global with sharing class OFSUploadImageRest {
    @HttpPost
    global static void doPost(String repairId, String ccImg, String acImg, String rqId) {
        system.debug('OFSUploadImageRest.start');
        RestResponse res = RestContext.response;
        res.addHeader('Content-Type', 'application/json');
        
        String jsonResponse;
        String ccId, acId;
        
        if (String.isNotBlank(repairId)) {
            Repair__c repair = [Select Id, contract_consent_id__c, acceptance_id__c From Repair__c Where Id= :repairId];
            if (repair == null) {
                res.statusCode = 200;
                jsonResponse = '{"status": "Failure", "Message": "no repair found"}';
                res.responseBody = blob.valueOf(jsonResponse);
                return;
            }
            if (String.isNotBlank(ccImg)) {
                Repair_Quotation__c repairQ = [Select Id, contract_consent_id__c From Repair_Quotation__c Where Id= :rqId];
                if (repairQ == null) {
                    res.statusCode = 200;
                    jsonResponse = '{"status": "Failure", "Message": "no RepairQuotation found"}';
                    res.responseBody = blob.valueOf(jsonResponse);
                    return;
                }
                Attachment att;
                if (String.isNotBlank(repairQ.contract_consent_id__c)) {
                    att = [Select Id, Name, Body, ParentId From Attachment Where Id= :repairQ.contract_consent_id__c];
                } else {
                    att = new Attachment();
                    att.Name = 'ContractConsent.jpg';
                    att.ParentId = rqId;
                }
                att.Body = EncodingUtil.base64Decode(ccImg);
                try {
                    if (String.isNotBlank(repairQ.contract_consent_id__c)) { update att; }
                    else { insert att; }
                    ccId = att.Id;
                    repairQ.contract_consent_id__c = ccId;
                } catch ( Exception ex ) {
                    //TODO:
                    //error message:cannot update exception
                    res.statusCode = 200;
                    jsonResponse = '{"status": "Failure", "Message": "error when try to upsert ContractConsent Attachment. '+ ex +'"}';
                    res.responseBody = blob.valueOf(jsonResponse);
                    return;
                }
                
                try {
                    update repairQ;
                } catch ( Exception ex ) {
                    //TODO:
                    //error message:cannot update exception
                    res.statusCode = 200;
                    jsonResponse = '{"status": "Failure", "Message": "error when try to update RepairQuotation. '+ ex +'"}';
                    res.responseBody = blob.valueOf(jsonResponse);
                    return;
                }
            }
            if (String.isNotBlank(acImg)) {
                Attachment att;
                if (String.isNotBlank(repair.acceptance_id__c)) {
                    att = [Select Id, Name, Body, ParentId From Attachment Where Id= :repair.acceptance_id__c];
                } else {
                    att = new Attachment();
                    att.Name = 'Acceptance.jpg';
                    att.ParentId = repairId;
                }
                att.Body = EncodingUtil.base64Decode(acImg);
                try {
                    if (String.isNotBlank(repair.acceptance_id__c)) { update att; }
                    else { insert att; }
                    acId = att.Id;
                } catch ( Exception ex ) {
                    //TODO:
                    //error message:cannot update exception
                    res.statusCode = 200;
                    jsonResponse = '{"status": "Failure", "Message": "error when try to upsert Acceptance Attachment. '+ ex +'"}';
                    res.responseBody = blob.valueOf(jsonResponse);
                    return;
                }
            }
            
            if (String.isNotBlank(ccId)) repair.Repair_Quotation_Id__c = rqId;
            if (String.isNotBlank(acId)) repair.acceptance_id__c = acId;
            try {
                update repair;
                res.statusCode = 200;
                jsonResponse = '{"status": "Success", "Message": "upload Success"}';
                res.responseBody = blob.valueOf(jsonResponse);
                return;
            } catch ( Exception ex ) {
                //TODO:
                //error message:cannot update exception
                res.statusCode = 200;
                jsonResponse = '{"status": "Failure", "Message": "error when try to update repair data. '+ ex +'"}';
                res.responseBody = blob.valueOf(jsonResponse);
                return;
            }
        } else {
            res.statusCode = 200;
            jsonResponse = '{"status": "Failure", "Message": "no repair Id"}';
            res.responseBody = blob.valueOf(jsonResponse);
            return;
        }
    }
}