/* MessageServer_Release_x64.exe sha256 7911b15c4379625eaa12ff227708aa3a033bc6ac2cf6b34283136e3a62df25f1
 * Ghidra 12.1.2 decompiler output for 0x14000e190 FUN_14000e190
 * Pseudocode, not original source. */

byte * FUN_14000e190(longlong *param_1,byte *param_2,undefined4 *param_3,int param_4)

{
  char cVar1;
  int iVar2;
  int iVar3;
  byte *pbVar4;
  longlong *plVar5;
  longlong lVar6;
  ulonglong uVar7;
  char *pcVar8;
  undefined4 local_48;
  undefined4 uStack_44;
  byte *local_40;
  undefined4 local_38;
  
  *(undefined1 *)(param_1 + 0xb) = 0;
  *(undefined4 *)((longlong)param_1 + 0x5c) = 0;
  FUN_14000af60(param_1 + 0xc,&DAT_14015bf08,0);
  *(undefined8 *)((longlong)param_1 + 0x74) = 0;
  if ((param_2 != (byte *)0x0) && (*param_2 != 0)) {
    param_1[1] = -1;
    if (param_3 == (undefined4 *)0x0) {
      param_1[1] = 0;
    }
    else {
      *(undefined4 *)(param_1 + 1) = *param_3;
      *(undefined4 *)((longlong)param_1 + 0xc) = param_3[1];
    }
    local_38 = (undefined4)param_1[0xe];
    local_48 = (undefined4)param_1[1];
    uStack_44 = *(undefined4 *)((longlong)param_1 + 0xc);
    param_1[1] = param_1[1];
    if (((((param_4 == 0) && (*param_2 != 0)) && (*param_2 == 0xef)) &&
        ((param_2[1] != 0 && (param_2[1] == 0xbb)))) && ((param_2[2] != 0 && (param_2[2] == 0xbf))))
    {
      param_4 = 1;
      *(undefined1 *)((longlong)param_1 + 0x7c) = 1;
    }
    local_40 = param_2;
    pbVar4 = FUN_14000da10(param_2,param_4);
    if (pbVar4 != (byte *)0x0) {
      do {
        if ((*pbVar4 == 0) ||
           (plVar5 = FUN_14000e4b0(param_1,pbVar4,param_4), plVar5 == (longlong *)0x0)) break;
        pbVar4 = (byte *)(**(code **)(*plVar5 + 0x10))(plVar5,pbVar4,&local_48,param_4);
        FUN_14000b8b0(param_1,plVar5);
        if ((param_4 == 0) && (lVar6 = (**(code **)(*plVar5 + 0x68))(plVar5), lVar6 != 0)) {
          lVar6 = (**(code **)(*plVar5 + 0x68))(plVar5);
          lVar6 = *(longlong *)(lVar6 + 0x68);
          if (*(char *)(lVar6 + 0x10) != '\0') {
            pcVar8 = "UTF-8";
            do {
              if (*pcVar8 == '\0') goto LAB_14000e37a;
              iVar2 = tolower((int)pcVar8[lVar6 + -0x14015c3f8]);
              iVar3 = tolower((int)*pcVar8);
            } while ((iVar2 == iVar3) && (pcVar8 = pcVar8 + 1, pcVar8[lVar6 + -0x14015c3f8] != '\0')
                    );
            if (*pcVar8 != '\0') {
              pcVar8 = "UTF8";
              if (*(char *)(lVar6 + 0x10) != '\0') {
                do {
                  if (*pcVar8 == '\0') goto LAB_14000e37a;
                  iVar2 = tolower((int)pcVar8[lVar6 + -0x14015c400]);
                  iVar3 = tolower((int)*pcVar8);
                } while ((iVar2 == iVar3) &&
                        (pcVar8 = pcVar8 + 1, pcVar8[lVar6 + -0x14015c400] != '\0'));
                if (*pcVar8 == '\0') goto LAB_14000e37a;
              }
              param_4 = 2;
              goto LAB_14000e37f;
            }
          }
LAB_14000e37a:
          param_4 = 1;
        }
LAB_14000e37f:
        pbVar4 = FUN_14000da10(pbVar4,param_4);
      } while (pbVar4 != (byte *)0x0);
      if (param_1[5] != 0) {
        return pbVar4;
      }
      cVar1 = (char)param_1[0xb];
      goto LAB_14000e3b9;
    }
  }
  cVar1 = (char)param_1[0xb];
LAB_14000e3b9:
  if (cVar1 == '\0') {
    uVar7 = 0xffffffffffffffff;
    *(undefined1 *)(param_1 + 0xb) = 1;
    *(undefined4 *)((longlong)param_1 + 0x5c) = 0xd;
    pcVar8 = PTR_s_Error_document_empty__1401b33c8;
    do {
      if (uVar7 == 0) break;
      uVar7 = uVar7 - 1;
      cVar1 = *pcVar8;
      pcVar8 = pcVar8 + 1;
    } while (cVar1 != '\0');
    FUN_14000af60(param_1 + 0xc,PTR_s_Error_document_empty__1401b33c8,~uVar7 - 1);
    *(undefined8 *)((longlong)param_1 + 0x74) = 0xffffffffffffffff;
  }
  return (byte *)0x0;
}