// -*- mode: c++; c-basic-offset:4 -*-

// This file is part of libdap, A C++ implementation of the OPeNDAP Data
// Access Protocol.

// Copyright (c) 2012 OPeNDAP, Inc.
// Author: James Gallagher <jgallagher@opendap.org>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// You can contact OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.

#include "config.h"

#include <sstream>

#include "Byte.h" // synonymous with UInt8 and Char
#include "Float32.h"
#include "Float64.h"
#include "Int16.h"
#include "Int32.h"
#include "Int64.h"
#include "Int8.h"
#include "Str.h"
#include "UInt16.h"
#include "UInt32.h"
#include "UInt64.h"
#include "Url.h"

#include "D4StreamMarshaller.h"
#include "D4StreamUnMarshaller.h"
#include "DMR.h"

#include "DapIndent.h"
#include "InternalErr.h"
#include "Operators.h"
#include "debug.h"
#include "dods-limits.h"
#include "parser.h"
#include "util.h"

using std::cerr;
using std::endl;

namespace libdap {

/** The UInt64 constructor accepts the name of the variable to be created.

    @note This type is available in DAP4 only.
    See http://docs.opendap.org/index.php/DAP4:_Specification_Volume_1#Atomic_Types

    @param n A string containing the name of the variable to be created.
    variable is created
*/
UInt64::UInt64(const string &n) : BaseType(n, dods_uint64_c, true /*is_dap4*/), d_buf(0) {}

/** The UInt64 server-side constructor accepts the name of the variable and
    the dataset name from which this instance is created.

    @note This type is available in DAP4 only.
    See http://docs.opendap.org/index.php/DAP4:_Specification_Volume_1#Atomic_Types

    @param n A string containing the name of the variable to be created.
    @param d A string containing the name of the dataset from which this
    variable is created
*/
UInt64::UInt64(const string &n, const string &d) : BaseType(n, d, dods_uint64_c, true /*is_dap4*/), d_buf(0) {}

UInt64::UInt64(const UInt64 &copy_from) : BaseType(copy_from) { d_buf = copy_from.d_buf; }

BaseType *UInt64::ptr_duplicate() { return new UInt64(*this); }

UInt64 &UInt64::operator=(const UInt64 &rhs) {
    if (this == &rhs)
        return *this;
    BaseType::operator=(rhs);
    d_buf = rhs.d_buf;
    return *this;
}

void UInt64::compute_checksum(Crc32 &checksum) { checksum.AddData(reinterpret_cast<uint8_t *>(&d_buf), sizeof(d_buf)); }

/**
 * @brief Serialize an Int8
 * @param m
 * @param dmr Unused
 * @param eval Unused
 * @param filter Unused
 * @exception Error is thrown if the value needs to be read and that operation fails.
 */
void UInt64::serialize(D4StreamMarshaller &m, DMR &, /*ConstraintEvaluator &,*/ bool) {
    if (!read_p())
        read(); // read() throws Error

    m.put_uint64(d_buf);
}

void UInt64::deserialize(D4StreamUnMarshaller &um, DMR &) { um.get_uint64(d_buf); }

dods_uint64 UInt64::value() const { return d_buf; }

bool UInt64::set_value(dods_uint64 i) {
    d_buf = i;
    set_read_p(true);

    return true;
}

unsigned int UInt64::buf2val(void **val)

{
    if (!val)
        throw InternalErr(__FILE__, __LINE__, "NULL pointer.");

    if (!*val)
        *val = new dods_uint64;

    *(dods_uint64 *)*val = d_buf;

    return width();
}

void UInt64::print_val(ostream &out, string space, bool print_decl_p) {
    if (print_decl_p) {
        print_decl(out, space, false);
        out << " = " << d_buf << ";\n";
    } else
        out << d_buf;
}

bool UInt64::ops(BaseType *b, int op) {
    // Extract the Byte arg's value.
    if (!read_p() && !read())
        throw InternalErr(__FILE__, __LINE__, "This value was not read!");

    // Extract the second arg's value.
    if (!b || !(b->read_p() || b->read()))
        throw InternalErr(__FILE__, __LINE__, "This value was not read!");

    switch (b->type()) {
    case dods_int8_c:
        return Cmp<dods_uint64, dods_int8>(op, d_buf, static_cast<Int8 *>(b)->value());
    case dods_byte_c:
        return Cmp<dods_uint64, dods_byte>(op, d_buf, static_cast<Byte *>(b)->value());
    case dods_int16_c:
        return Cmp<dods_uint64, dods_int16>(op, d_buf, static_cast<Int16 *>(b)->value());
    case dods_uint16_c:
        return Cmp<dods_uint64, dods_uint16>(op, d_buf, static_cast<UInt16 *>(b)->value());
    case dods_int32_c:
        return Cmp<dods_uint64, dods_int32>(op, d_buf, static_cast<Int32 *>(b)->value());
    case dods_uint32_c:
        return Cmp<dods_uint64, dods_uint32>(op, d_buf, static_cast<UInt32 *>(b)->value());
    case dods_int64_c:
        return Cmp<dods_uint64, dods_int64>(op, d_buf, static_cast<Int64 *>(b)->value());
    case dods_uint64_c:
        return Cmp<dods_uint64, dods_uint64>(op, d_buf, static_cast<UInt64 *>(b)->value());
    case dods_float32_c:
        return Cmp<dods_uint64, dods_float32>(op, d_buf, static_cast<Float32 *>(b)->value());
    case dods_float64_c:
        return Cmp<dods_uint64, dods_float64>(op, d_buf, static_cast<Float64 *>(b)->value());
    default:
        return false;
    }
}

bool UInt64::d4_ops(BaseType *b, int op) {
    switch (b->type()) {
    case dods_int8_c:
        return Cmp<dods_uint64, dods_int8>(op, d_buf, static_cast<Int8 *>(b)->value());
    case dods_byte_c:
        return Cmp<dods_uint64, dods_byte>(op, d_buf, static_cast<Byte *>(b)->value());
    case dods_int16_c:
        return Cmp<dods_uint64, dods_int16>(op, d_buf, static_cast<Int16 *>(b)->value());
    case dods_uint16_c:
        return Cmp<dods_uint64, dods_uint16>(op, d_buf, static_cast<UInt16 *>(b)->value());
    case dods_int32_c:
        return Cmp<dods_uint64, dods_int32>(op, d_buf, static_cast<Int32 *>(b)->value());
    case dods_uint32_c:
        return Cmp<dods_uint64, dods_uint32>(op, d_buf, static_cast<UInt32 *>(b)->value());
    case dods_int64_c:
        return Cmp<dods_uint64, dods_int64>(op, d_buf, static_cast<Int64 *>(b)->value());
    case dods_uint64_c:
        return Cmp<dods_uint64, dods_uint64>(op, d_buf, static_cast<UInt64 *>(b)->value());
    case dods_float32_c:
        return Cmp<dods_uint64, dods_float32>(op, d_buf, static_cast<Float32 *>(b)->value());
    case dods_float64_c:
        return Cmp<dods_uint64, dods_float64>(op, d_buf, static_cast<Float64 *>(b)->value());
    default:
        return false;
    }
}

/** @brief DAP4 to DAP2 transform
 *
 * For the current BaseType, return a DAP2 'copy' of the variable.
 *
 * @note For most DAP4 types, in this implementation of DAP2 the corresponding
 * DAP4 type is the same. The different types are Sequences (which are D4Sequences
 * in the DAP4 implementation), Grids (which are coverages) and Arrays (which use
 * shared dimensions).
 *
 * @param root The root group that should hold this new variable. Add Group-level
 * stuff here (e.g., D4Dimensions).
 * @param container Add the new variable to this container.
 *
 * @return A pointer to the transformed variable
 */
std::vector<BaseType *> *UInt64::transform_to_dap2(AttrTable *) {
#if 0
    BaseType *dest = this->ptr_duplicate();
    // convert the d4 attributes to a dap2 attribute table.
    AttrTable *attrs = this->attributes()->get_AttrTable();
    attrs->set_name(name());
    dest->set_attr_table(*attrs);
    dest->set_is_dap4(false);
    // attrs->print(cerr,"",true);
    return dest;
#endif

    return NULL;
}

/**
 * When send_p() is true a description of the instance is added to the inventory and true is returned.
 * @param inventory is a value-result parameter
 * @return True when send_p() is true, false otherwise
 */
bool UInt64::is_dap4_projected(std::vector<string> &inventory) {
    bool has_projected_dap4 = false;
    if (send_p()) {
        has_projected_dap4 = true;
        attributes()->has_dap4_types(FQN(), inventory);
        inventory.emplace_back(type_name() + " " + FQN());
    }
    return has_projected_dap4;
}

/** @brief dumps information about this object
 *
 * Displays the pointer value of this instance and information about this
 * instance.
 *
 * @param strm C++ i/o stream to dump the information to
 * @return void
 */
void UInt64::dump(ostream &strm) const {
    strm << DapIndent::LMarg << "UInt32::dump - (" << (void *)this << ")" << endl;
    DapIndent::Indent();
    BaseType::dump(strm);
    strm << DapIndent::LMarg << "value: " << d_buf << endl;
    DapIndent::UnIndent();
}

} // namespace libdap