module test_redis

  contains
  SUBROUTINE test()
    use RedisInterface
    use SimulationVariables
    use json_module
    use iso_c_binding, only: c_ptr, c_char, c_f_pointer,c_null_char,c_loc
    character(len=:),allocatable::s2
    character(len=:),allocatable::redisContent
    type(json_value),pointer :: jsonvalue
    type(json_core) :: jsoncore
    type(json_file)            :: jsonfile
    type(json_core)::json

    type(c_ptr) :: c_string_ptr
    character(len=20) :: f_string
    character(kind=c_char, len=20),target,allocatable :: c_string
    integer :: i,len
    character(len=:),allocatable :: password,address,datakey
    integer::port,status
    integer :: string_shape(1)
    logical :: found

    address = "78.109.201.86"
    port = 6379
    password = "1qazxsw2$$" 
    datakey = "37364875-c9cf-43a3-de45-08dc0c6103c9"
    status = 4

    call initConnection(address,port,password, datakey,status)
    print *,"redis exmaple program. status =",status

    allocate(character(len=20) :: c_string)
    c_string = 'Hello' // c_null_char
    c_string_ptr = c_loc(c_string)
    len=19
    call getData2_C(c_string_ptr,len)
    ! string_shape(1)=20
    ! call c_f_pointer(c_string_ptr, f_string, string_shape)
    ! f_string(1:len) = c_string(1:len) 
    ! print *, "Fortran string: ", f_string(1:len)

    ! do i =  1, len
    !   print *, "Character at position ", i, ": ", f_string(i:i)
    ! end do
    call jsonfile%initialize()
    call jsonfile%deserialize(c_string(1:len))
    call jsonfile%get("status",status,found)
    print *,"Status = ",status
    call jsonfile%destroy()
  end SUBROUTINE
end module test_redis

program redis_example
  use test_redis
  call test()
end program redis_example


    ! call jsoncore%create_object(jsonvalue,'')
    ! call ConfigurationToJson(jsonvalue)
    ! call WarningsToJson(jsonvalue)
    ! call ProblemsToJson(jsonvalue)
    ! print *,"write starts"
    ! call jsoncore%serialize(jsonvalue,redisContent)
    ! ! s = "Test redis write!"
    ! call setData(redisContent)
    ! print *,"write ends len=",len(redisContent)