autoload -Uz log_group log_error log_status log_info log_debug

if (( ! ${+commands[curl]} )) {
  log_error 'curl not found. Please install curl.'
  return 2
}

if (( ! ${+commands[jq]} )) {
  log_error 'jq not found. Please install jq.'
  return 2
}

if (( ! ${+project_root} )) {
  log_error "'project_root' not set. Please set before running ${0}."
  return 2
}

if (( ! ${+target} )) {
  log_error "'target' not set. Please set before running ${0}."
  return 2
}

local -a curl_opts=()
if (( ! ${+CI} )) {
  curl_opts+=(--progress-bar --continue-at -)
} else {
  curl_opts+=(--show-error --silent)
}
curl_opts+=(--location -O ${@})

pushd ${project_root}

typeset -g QT_VERSION
read -r QT_VERSION <<< \
  "$(jq -r --arg target "${target}" \
    '.platformConfig[$target] | { qtVersion } | join(" ")' \
    ${buildspec_file})"

if (( ! (${skips[(Ie)all]} + ${skips[(Ie)deps]}) )) {
  log_group 'Installing obs-studio build dependencies...'

  mkdir -p ${project_root}/.deps
  local deps_version
  local deps_baseurl
  local deps_label
  local deps_hash

  IFS=';' read -r deps_version deps_baseurl deps_label deps_hash <<< \
    "$(jq -r --arg target "${target}" \
      '.dependencies["cef"] | {version, baseUrl, "label", "hash": .hashes[$target]} | join(";")' \
      ${buildspec_file})"

  if (( ! deps_version )) {
    log_error 'No valid cef spec found in buildspec.json.'
    return 2
  }
  log_group 'Setting up pre-built Chromium Embedded Framework...'

  pushd ${project_root}/.deps
  local _filename="cef_binary_${deps_version}_${target//-/_}.tar.xz"
  local _url=${deps_baseurl}/${_filename}
  local _target="cef_binary_${deps_version}_${target//-/_}"
  typeset -g CEF_VERSION=${deps_version}

  log_status 'Checking for available wrapper library...'
  local -i _skip=0
  if [[ -f ${_target}/build/libcef_dll_wrapper/libcef_dll_wrapper.a ]] {
    _skip=1
  }

  if ! (( _skip )) {
    if [[ ! -f ${_filename} ]] {
      log_debug "Running curl ${curl_opts} ${_url}"
      curl ${curl_opts} ${_url} && \
        log_status "Downloaded ${deps_label} for ${target}."
    } else {
      log_status "Found downloaded ${deps_label}"
    }

    read -r artifact_checksum _ <<< "$(sha256sum ${_filename})"
    if [[ ${deps_hash} != ${artifact_checksum} ]] {
      log_error "Checksum of downloaded ${deps_label} does not match specification.
  Expected : ${deps_hash}
  Actual   : ${artifact_checksum}"
      return 2
    }
    log_status "Checksum of downloaded ${deps_label} matches."
    mkdir -p ${_target} && pushd ${_target}

    XZ_OPT=-T0 tar --strip-components 1 -xJf ../${_filename} && log_status "${deps_label} extracted."

    if [[ ! -f build/libcef_dll_wrapper/libcef_dll_wrapper.a ]] {
      log_group "Configuring CEF wrapper library..."

      local -a cmake_args=(
        -DPROJECT_ARCH:STRING=${target##*-}
        -DCEF_COMPILER_FLAGS:STRING="-Wno-deprecated-copy"
        -DCMAKE_BUILD_TYPE:STRING=${config}
        -DCMAKE_CXX_FLAGS:STRING="-std=c++11 -Wno-deprecated-declarations -Wno-unknonw-warning-option"
        -DCMAKE_EXE_LINKER_FLAGS:STRING="-std=c++11"
      )
      if (( _loglevel == 0 )) cmake_args+=(-Wno-deprecated -Wno-dev --log-level=ERROR)
      if (( ${+commands[ccache]} )) {
        cmake_args+=(
          -DCMAKE_C_COMPILER_LAUNCHER:STRING=ccache
          -DCMAKE_CXX_COMPILER_LAUNCHER:STRING=ccache
        )
      }

      cmake -S . -B build -G Ninja ${cmake_args}

      log_group "Building CEF Wrapper library..."
      cmake --build build
    }

    mkdir -p build/libcef_dll
    popd
  } else {
    log_info 'Found existing Chromium Embedded Framework and loader library...'
  }
  popd

  local -a apt_args=(
    ${CI:+-y}
    --no-install-recommends
  )
  if (( _loglevel == 0 )) apt_args+=(--quiet)

  local suffix
  if [[ ${CPUTYPE} != ${target##*-} ]] {
    local -A arch_mappings=(
      aarch64 arm64
      x86_64 amd64
    )

    suffix=":${arch_mappings[${target##*-}]}"
    sudo apt-get install ${apt_args} gcc-${${target##*-}//_/-}-linux-gnu g++-${${target##*-}//_/-}-linux-gnu
  }

  sudo apt-get install ${apt_args} \
    build-essential \
    libcurl4-openssl-dev \
    libavcodec-dev libavdevice-dev libavfilter-dev libavformat-dev libavutil-dev \
    libswresample-dev libswscale-dev \
    libjansson-dev \
    libx11-xcb-dev \
    libgles2-mesa-dev libgles2-mesa \
    libwayland-dev \
    libpipewire-0.3-dev \
    libpulse-dev \
    libx264-dev \
    libmbedtls-dev \
    libgl1-mesa-dev \
    libjansson-dev \
    libluajit-5.1-dev python3-dev \
    libx11-dev libxcb-randr0-dev libxcb-shm0-dev libxcb-xinerama0-dev \
    libxcb-composite0-dev libxinerama-dev libxcb1-dev libx11-xcb-dev libxcb-xfixes0-dev \
    swig libcmocka-dev libxss-dev libglvnd-dev \
    libxkbcommon-dev \
    libasound2-dev libfdk-aac-dev libfontconfig-dev libfreetype6-dev libjack-jackd2-dev \
    libpulse-dev libsndio-dev libspeexdsp-dev libudev-dev libv4l-dev libva-dev libvlc-dev \
    libpci-dev libdrm-dev \
    nlohmann-json3-dev libwebsocketpp-dev libasio-dev libvpl-dev libqrcodegencpp-dev

  if (( UBUNTU_2210_OR_LATER )) sudo apt-get install ${apt_args} librist-dev libsrt-openssl-dev

  local -a _qt_packages=()

  if (( QT_VERSION == 6 )) {
    _qt_packages+=(
      qt6-base-dev
      libqt6svg6-dev
      qt6-base-private-dev
    )
  } else {
    log_error "Unsupported Qt version '${QT_VERSION}' specified."
    return 2
  }

  sudo apt-get install ${apt_args} ${_qt_packages}
} else {
  local cef_version
  read -r cef_version <<< \
    "$(jq -r '.dependencies | [.cef.version] | join(" ")' ${buildspec_file})"

  typeset -g CEF_VERSION=${cef_version}
}