// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "components/printing/common/cloud_print_cdd_conversion.h"

#include <stddef.h>

#include <memory>

#include "base/memory/ptr_util.h"
#include "base/strings/string_number_conversions.h"
#include "components/cloud_devices/common/printer_description.h"
#include "printing/backend/print_backend.h"

#if defined(OS_CHROMEOS)
#include "base/feature_list.h"
#include "printing/printing_features_chromeos.h"
#endif  // defined(OS_CHROMEOS)

namespace printer = cloud_devices::printer;

namespace cloud_print {

namespace {

printer::DuplexType ToCloudDuplexType(printing::DuplexMode mode) {
  switch (mode) {
    case printing::SIMPLEX:
      return printer::DuplexType::NO_DUPLEX;
    case printing::LONG_EDGE:
      return printer::DuplexType::LONG_EDGE;
    case printing::SHORT_EDGE:
      return printer::DuplexType::SHORT_EDGE;
    default:
      NOTREACHED();
  }
  return printer::DuplexType::NO_DUPLEX;
}

#if defined(OS_CHROMEOS)
printer::TypedValueVendorCapability::ValueType ToCloudValueType(
    base::Value::Type type) {
  switch (type) {
    case base::Value::Type::BOOLEAN:
      return printer::TypedValueVendorCapability::ValueType::BOOLEAN;
    case base::Value::Type::DOUBLE:
      return printer::TypedValueVendorCapability::ValueType::FLOAT;
    case base::Value::Type::INTEGER:
      return printer::TypedValueVendorCapability::ValueType::INTEGER;
    case base::Value::Type::STRING:
      return printer::TypedValueVendorCapability::ValueType::STRING;
    default:
      NOTREACHED();
  }
  return printer::TypedValueVendorCapability::ValueType::STRING;
}
#endif  // defined(OS_CHROMEOS)

}  // namespace

base::Value PrinterSemanticCapsAndDefaultsToCdd(
    const printing::PrinterSemanticCapsAndDefaults& semantic_info) {
  cloud_devices::CloudDeviceDescription description;

  printer::ContentTypesCapability content_types;
  content_types.AddOption("application/pdf");
  content_types.SaveTo(&description);

  if (semantic_info.collate_capable) {
    printer::CollateCapability collate;
    collate.set_default_value(semantic_info.collate_default);
    collate.SaveTo(&description);
  }

  if (semantic_info.copies_capable) {
    printer::CopiesCapability copies;
    copies.SaveTo(&description);
  }

  if (semantic_info.duplex_modes.size() > 1) {
    printer::DuplexCapability duplex;
    for (printing::DuplexMode mode : semantic_info.duplex_modes) {
      duplex.AddDefaultOption(ToCloudDuplexType(mode),
                              semantic_info.duplex_default == mode);
    }
    duplex.SaveTo(&description);
  }

  printer::ColorCapability color;
  if (semantic_info.color_default || semantic_info.color_changeable) {
    printer::Color standard_color(printer::ColorType::STANDARD_COLOR);
    standard_color.vendor_id = base::NumberToString(semantic_info.color_model);
    color.AddDefaultOption(standard_color, semantic_info.color_default);
  }
  if (!semantic_info.color_default || semantic_info.color_changeable) {
    printer::Color standard_monochrome(printer::ColorType::STANDARD_MONOCHROME);
    standard_monochrome.vendor_id =
        base::NumberToString(semantic_info.bw_model);
    color.AddDefaultOption(standard_monochrome, !semantic_info.color_default);
  }
  color.SaveTo(&description);

  if (!semantic_info.papers.empty()) {
    printer::Media default_media(semantic_info.default_paper.display_name,
                                 semantic_info.default_paper.vendor_id,
                                 semantic_info.default_paper.size_um.width(),
                                 semantic_info.default_paper.size_um.height());
    default_media.MatchBySize();

    printer::MediaCapability media;
    bool is_default_set = false;
    for (size_t i = 0; i < semantic_info.papers.size(); ++i) {
      gfx::Size paper_size = semantic_info.papers[i].size_um;
      if (paper_size.width() > paper_size.height())
        paper_size.SetSize(paper_size.height(), paper_size.width());
      printer::Media new_media(semantic_info.papers[i].display_name,
                               semantic_info.papers[i].vendor_id,
                               paper_size.width(), paper_size.height());
      new_media.MatchBySize();
      if (new_media.IsValid() && !media.Contains(new_media)) {
        if (!default_media.IsValid())
          default_media = new_media;
        media.AddDefaultOption(new_media, new_media == default_media);
        is_default_set = is_default_set || (new_media == default_media);
      }
    }
    if (!is_default_set && default_media.IsValid())
      media.AddDefaultOption(default_media, true);

    DCHECK(media.IsValid());
    media.SaveTo(&description);
  }

  if (!semantic_info.dpis.empty()) {
    printer::DpiCapability dpi;
    printer::Dpi default_dpi(semantic_info.default_dpi.width(),
                             semantic_info.default_dpi.height());
    bool is_default_set = false;
    for (size_t i = 0; i < semantic_info.dpis.size(); ++i) {
      printer::Dpi new_dpi(semantic_info.dpis[i].width(),
                           semantic_info.dpis[i].height());
      if (new_dpi.IsValid() && !dpi.Contains(new_dpi)) {
        if (!default_dpi.IsValid())
          default_dpi = new_dpi;
        dpi.AddDefaultOption(new_dpi, new_dpi == default_dpi);
        is_default_set = is_default_set || (new_dpi == default_dpi);
      }
    }
    if (!is_default_set && default_dpi.IsValid())
      dpi.AddDefaultOption(default_dpi, true);
    DCHECK(dpi.IsValid());
    dpi.SaveTo(&description);
  }

  printer::OrientationCapability orientation;
  orientation.AddDefaultOption(printer::OrientationType::PORTRAIT, true);
  orientation.AddOption(printer::OrientationType::LANDSCAPE);
  orientation.AddOption(printer::OrientationType::AUTO_ORIENTATION);
  orientation.SaveTo(&description);

#if defined(OS_CHROMEOS)
  printer::PinCapability pin;
  pin.set_value(semantic_info.pin_supported);
  pin.SaveTo(&description);

  if (base::FeatureList::IsEnabled(printing::kAdvancedPpdAttributes) &&
      !semantic_info.advanced_capabilities.empty()) {
    printer::VendorCapabilities vendor_capabilities;
    for (const auto& capability : semantic_info.advanced_capabilities) {
      std::string capability_name = capability.display_name.empty()
                                        ? capability.name
                                        : capability.display_name;
      if (!capability.values.empty()) {
        printer::SelectVendorCapability select_capability;
        for (const auto& value : capability.values) {
          std::string localized_value =
              value.display_name.empty() ? value.name : value.display_name;
          select_capability.AddDefaultOption(
              printer::SelectVendorCapabilityOption(value.name,
                                                    localized_value),
              value.name == capability.default_value);
        }
        vendor_capabilities.AddOption(printer::VendorCapability(
            capability.name, capability_name, std::move(select_capability)));
      } else {
        vendor_capabilities.AddOption(
            printer::VendorCapability(capability.name, capability_name,
                                      printer::TypedValueVendorCapability(
                                          ToCloudValueType(capability.type))));
      }
    }
    vendor_capabilities.SaveTo(&description);
  }
#endif  // defined(OS_CHROMEOS)

  return std::move(description).ToValue();
}

}  // namespace cloud_print