#include "CommandRowProvider.h"

#include <QVariantMap>

#include <utility>

#include "Commands.h"

CommandRowProvider::CommandRowProvider(QObject* parent)
    : FuzzyRowProvider(parent) {}

void CommandRowProvider::setCommands(Commands* commands)
{
  if (m_commands == commands) {
    return;
  }
  m_commands = commands;
  emit commandsChanged();
  invalidate();
}

void CommandRowProvider::captureInputs()
{
  m_snapshot.clear();
  if (m_commands == nullptr) {
    return;
  }
  const QVariantList commands = m_commands->paletteCommands();
  m_snapshot.reserve(commands.size());
  for (const QVariant& entry : commands) {
    const CommandDef* const command = entry.value<CommandDef*>();
    if (command == nullptr) {
      continue;
    }
    QVariantMap row;
    row.insert(QStringLiteral("title"), command->title());
    row.insert(QStringLiteral("subtitle"), command->shortcutHint());
    row.insert(QStringLiteral("id"), command->commandId());
    m_snapshot.append(row);
  }
}

QVariantList CommandRowProvider::rowsForQuery(const QString& query)
{
  if (query.isEmpty()) {
    return m_snapshot;
  }
  // The palette's original semantics: a case-insensitive substring match on
  // the title, declaration order preserved.
  const QString needle = query.toLower();
  QVariantList out;
  for (const QVariant& row : m_snapshot) {
    if (row.toMap().value(QStringLiteral("title")).toString().toLower().contains(
            needle)) {
      out.append(row);
    }
  }
  return out;
}