#requires -Version 6.2

# This script requires at least PowerShell 6.2, due to:
# - Set-Content UTF8 encoding doesn't add BOM anymore (since PS 6.0)
# - Join-String was added in PS 6.2
# As Windows 11 currently only ships PS 5.1, install the latest version!
# See https://aka.ms/PSWindows

[CmdletBinding()]
param (
    $libraries = @(),
    $version = '1.90.0',
# This script treats support statements as platform expressions. This is incorrect
# in a few cases e.g. boost-parameter-python not depending on boost-python for uwp since
# boost-python is not supported on uwp. Update $suppressPlatformForDependency as needed,
# don't blindly stage/commit changes containing platform expressions in dependencies.
    $portsDir = $null,
    $vcpkg = $null
)

$ErrorActionPreference = 'Stop'

$scriptsBoostDir = split-path -parent $MyInvocation.MyCommand.Definition
if ($null -eq $portsDir) {
    $portsDir = "$scriptsBoostDir/../../ports"
}
if ($null -eq $vcpkg) {
    $vcpkg = "$scriptsBoostDir/../../vcpkg"
    if ($IsWindows) {
        $vcpkg = "$vcpkg.exe"
    }
}

# Beta builds contains a text in the version string
$semverVersion = ($version -replace '(\d+(\.\d+){1,3}).*', '$1')

# Clear this array when moving to a new boost version
$defaultPortVersion = 1
$portVersions = @{
}

function Get-PortVersion {
    param (
        [string]$PortName
    )

    $nonDefault = $portVersions[$PortName]
    if ($null -ne $nonDefault) {
        return $nonDefault
    }

    return $defaultPortVersion
}

$portData = @{
    'boost' = @{
        'features' = @{
            'mpi' = @{
                'description'  = 'Build with MPI support';
                'dependencies' = @('boost-mpi', 'boost-graph-parallel', 'boost-property-map-parallel');
            }
        }
    };
    'boost-asio' = @{
        'default-features' = @('deadline-timer'; @{ 'name' = 'spawn'; 'platform' = '!uwp & !emscripten' };);
        'features' = @{
            'ssl' = @{
                'description'  = 'Build with SSL support';
                'dependencies' = @(@{ 'name' = 'openssl'; 'platform' = '!emscripten' });
            };
            'deadline-timer' = @{
                'description'  = 'Build with deadline_timer support';
                'dependencies' = @('boost-date-time');
            }
            'spawn' = @{
                'description'  = 'Build with spawn (stackful coroutines) support';
                'dependencies' = @(@{ 'name' = 'boost-context'; 'platform' = '!uwp & !emscripten' });
            };
        }
    };
    'boost-beast'            = @{ 'supports' = '!emscripten' };
    'boost-cmake'            = @{ 'dependencies' = @(@{ 'name' = 'vcpkg-boost'; 'host' = $true }); };
    'boost-cobalt'           = @{ 'supports' = '!uwp' };
    'boost-context'          = @{ 'supports' = '!uwp & !emscripten' };
    'boost-coroutine'        = @{ 'supports' = '!(arm & windows) & !uwp & !emscripten' };
    'boost-dll'              = @{ 'supports' = '!uwp' };
    'boost-fiber'            = @{
        'supports' = '!uwp & !(arm & windows) & !emscripten';
        'features' = @{
            'numa' = @{
                'description' = 'Enable NUMA support';
            }
        }
    };
    'boost-filesystem'       = @{ 'supports' = '!uwp' };
    'boost-geometry'         = @{
        'dependencies' = @('boost-crc', 'boost-program-options');
        'supports' = '!uwp';
    };
    'boost-graph'            = @{ 'supports' = '!uwp' };
    'boost-graph-parallel'   = @{
        'dependencies' = @('mpi');
        'supports' = '!uwp';
    };
    'boost-iostreams'        = @{
        'default-features' = @('bzip2', 'lzma', 'zlib', 'zstd');
        'supports'         = '!uwp';
        'features'         = @{
            'bzip2' = @{
                'description'  = 'Support bzip2 filters';
                'dependencies' = @('bzip2');
            };
            'lzma'  = @{
                'description'  = 'Support LZMA/xz filters';
                'dependencies' = @('liblzma');
            };
            'zlib'  = @{
                'description'  = 'Support zlib filters';
                'dependencies' = @('zlib');
            };
            'zstd'  = @{
                'description'  = 'Support zstd filters';
                'dependencies' = @('zstd');
            };
        };
    };
    'boost-locale'           = @{
        'dependencies' = @(@{ 'name' = 'libiconv'; 'platform' = '!uwp & !windows & !mingw' });
        'supports'     = '!uwp';
        'features'     = @{
            'icu' = @{
                'description'  = 'ICU backend for Boost.Locale';
                'dependencies' = @('icu');
            }
        }
    };
    'boost-log'              = @{ 'supports' = '!uwp & !emscripten' };
    'boost-math'             = @{
        'features' = @{
            'legacy' = @{
                'description'  = 'Build the legacy C99 and TR1 libraries';
            }
        }
    };
    'boost-mpi'              = @{
        'dependencies' = @('mpi');
        'supports' = '!uwp';
        'features' = @{
            'python3' = @{
                'description'  = 'Build Python3 bindings';
                'supports'     = '!static';
                'dependencies' = @(@{ 'name' = 'boost-python'; 'platform' = '!uwp & !emscripten & !ios & !android' }, 'python3');
            }
        }
    };
    'boost-mqtt5'            = @{ 'supports' = '!uwp' };
    'boost-mysql'            = @{ 'dependencies' = @('openssl'); };
    'boost-odeint'           = @{
        'features' = @{
            'mpi' = @{
                'description'  = 'Support parallelization with MPI';
                'dependencies' = @('boost-mpi');
            }
        }
    };
    'boost-process'          = @{ 'supports' = '!uwp & !emscripten & !android' };
    'boost-python'           = @{ 'supports' = '!uwp & !emscripten & !ios & !android'; 'dependencies' = @('python3');};
    'boost-random'           = @{ 'supports' = '!uwp' };
    'boost-regex'            = @{
        'features' = @{
            'icu' = @{
                'description'  = 'ICU backend for Boost.Regex';
                'dependencies' = @('icu');
            }
        }
    }
    'boost-stacktrace'       = @{
        'default-features' = @(@{ 'name' = 'backtrace'; 'platform' = '!windows' }; @{ 'name' = 'windbg'; 'platform' = 'windows' });
        'supports'         = '!uwp';
        'features'         = @{
            'backtrace' = @{
                'description'  = 'Use boost_stacktrace_backtrace';
                'supports'     = '!windows';
                'dependencies' = @(@{ 'name' = 'libbacktrace'; 'platform' = '!windows' });
            };
            'windbg' = @{
                'description'  = 'Use boost_stacktrace_windbg';
                'supports'     = 'windows';
            };
        }
    };
    'boost-test'             = @{ 'supports' = '!uwp' };
    'boost-wave'             = @{ 'supports' = '!uwp' };
}

# For some dependent ports (LHS), the dependency's [RHS] "supports" is enough,
# and no "platform" field shall be added to the dependency.
$suppressPlatformForDependency = @{
    'boost-coroutine2'            = @('boost-context');
    'boost-dll'                   = @('boost-filesystem');
    'boost-process'               = @('boost-filesystem');
    'boost-geometry'              = @('boost-graph');
    'boost-graph'                 = @('boost-random');
    'boost-graph-parallel'        = @('boost-filesystem', 'boost-graph', 'boost-mpi', 'boost-random');
    'boost-log'                   = @('boost-filesystem');
    'boost-mpi'                   = @('boost-graph');
    'boost-mqtt5'                 = @('boost-random');
    'boost-parameter-python'      = @('boost-python');
    'boost-property-map-parallel' = @('boost-mpi');
    'boost-python'                = @('boost-graph');
    'boost-wave'                  = @('boost-filesystem');
}

function GeneratePortName() {
    param (
        [string]$Library
    )
    'boost-' + ($Library -replace '_', '-')
}

function GeneratePortHash() {
  param (
      [string]$Archive
  )
  $hash = & $vcpkg --x-wait-for-lock hash $Archive
  # Remove prefix "Waiting to take filesystem lock on <path>/.vcpkg-root... "
  if ($hash -is [Object[]]) {
      $hash = $hash[1]
  }
  return $hash
}

function GetPortDocumentation() {
    param (
        [string]$Library
    )
    # Null value means no explicit documentation site
    $specicalDocumentationPaths = @{
        'build'              = $null;
        'cmake'              = $null;
        'headers'            = $null;
        'interval'           = 'https://www.boost.org/libs/numeric/interval';
        'logic'              = 'https://www.boost.org/libs/logictribool';
        'numeric_conversion' = 'https://www.boost.org/libs/numeric/conversion';
        'odeint'             = 'https://www.boost.org/libs/numeric/odeint';
        'ublas'              = 'https://www.boost.org/libs/numeric/ublas';
    }
    if ($specicalDocumentationPaths.ContainsKey($Library)) {
        $documentationPath = $specicalDocumentationPaths[$Library]
    } else {
        $documentationPath = "https://www.boost.org/libs/$Library"
    }
    return $documentationPath
}

function GetPortHomepage() {
    param (
        [string]$Library
    )
    $specicalHomepagePaths = @{
        'build'              = 'https://github.com/boostorg/build';
        'cmake'              = 'https://github.com/boostorg/cmake';
        'headers'            = 'https://github.com/boostorg/headers';
        'interval'           = 'https://www.boost.org/library/latest/numericinterval/';
        'logic'              = 'https://www.boost.org/library/latest/logictribool/';
        'numeric_conversion' = 'https://www.boost.org/library/latest/numericconversion/';
        'odeint'             = 'https://www.boost.org/library/latest/numericodeint/';
        'ublas'              = 'https://www.boost.org/library/latest/numericublas/';
    }
    if ($specicalHomepagePaths.ContainsKey($Library)) {
        $homepagePath = $specicalHomepagePaths[$Library]
    } else {
        $homepagePath = "https://www.boost.org/library/latest/$Library/"
    }
    return $homepagePath
}

function GeneratePortDependency() {
    param (
        [string]$Library = '',
        [string]$PortName = '',
        [string]$ForLibrary = ''
    )
    if ($PortName -eq '') {
        $PortName = GeneratePortName $Library
    }
    $forPortName = GeneratePortName $ForLibrary
    if ($suppressPlatformForDependency.Contains($forPortName) -and $suppressPlatformForDependency[$forPortName].Contains($PortName)) {
        $PortName
    }
    elseif ($portData.Contains($PortName) -and $portData[$PortName].Contains('supports')) {
        @{name = $PortName; platform = $portData[$PortName]['supports'] }
    }
    elseif ($ForLibrary -eq '' -and $suppressPlatformForDependency.Contains($PortName)) {
        # For 'boost'.
        $platform = $suppressPlatformForDependency[$PortName] `
        | ForEach-Object { (GeneratePortDependency -PortName $_).platform } `
        | Group-Object -NoElement `
        | Join-String -Property Name -Separator ' & '
        if ($platform -ne '') {
            @{name = $PortName; platform = $platform }
        }
        else {
            $PortName
        }
    }
    else {
        $PortName
    }
}

function AddBoostVersionConstraints() {
    param (
        $Dependencies = @()
    )

    $updatedDependencies = @()
    foreach ($dependency in $Dependencies) {
        if ($dependency.Contains('name')) {
            if ($dependency.name.StartsWith('boost')) {
                $dependency['version>='] = $semverVersion
            }
        }
        else {
            if ($dependency.StartsWith('boost')) {
                $dependency = @{
                    'name'       = $dependency
                    'version>='  = $semverVersion
                }
            }
        }
        $updatedDependencies += $dependency
    }
    $updatedDependencies
}

function GeneratePortManifest() {
    param (
        [string]$PortName,
        [string]$Homepage,
        [string]$Documentation,
        [string]$Description,
        [string]$License,
        $Dependencies = @()
    )
    $manifest = @{
        '$comment'        = 'Automatically generated by scripts/boost/generate-ports.ps1'
        'name'            = $PortName
        'homepage'        = $Homepage
        'description'     = $Description
    }
    if ($Documentation) {
        $manifest['documentation'] = $Documentation
    }
    if ($version -eq $semverVersion) {
        $manifest['version'] = $version
    }
    else {
        $manifest['version-string'] = $version
    }
    if ($License) {
        $manifest['license'] += $License
    }
    if ($portData.Contains($PortName)) {
        $manifest += $portData[$PortName]
    }
    $thisPortVersion = Get-PortVersion $PortName
    if ($thisPortVersion -ne 0) {
        $manifest['port-version'] = $thisPortVersion
    }
    if ($Dependencies.Count -gt 0) {
        $manifest['dependencies'] += $Dependencies
    }
    # Remove from the dependencies the ports that are included in the feature dependencies
    if ($manifest.Contains('features') -and $manifest.Contains('dependencies')) {
        foreach ($feature in $manifest.features.Keys) {
            $feature_dependencies = $manifest.features.$feature['dependencies']
            foreach ($dependency in $feature_dependencies) {
                if ($dependency.Contains('name')) {
                    $dep_name = $dependency.name
                }
                else {
                    $dep_name = $dependency
                }
                $manifest['dependencies'] = $manifest['dependencies'] `
                | Where-Object {
                    if ($_.Contains('name')) {
                        $_.name -notmatch "$dep_name"
                    }
                    else {
                        $_ -notmatch "$dep_name"
                    }
                }
            }
        }
    }

    # Add version constraints to boost dependencies
    $manifest['dependencies'] = @(AddBoostVersionConstraints $manifest['dependencies'])
    foreach ($feature in $manifest.features.Keys) {
        $manifest.features.$feature['dependencies'] = @(AddBoostVersionConstraints $manifest.features.$feature['dependencies'])
    }

    $manifest | ConvertTo-Json -Depth 10 -Compress `
    | Out-File -Encoding UTF8 "$portsDir/$PortName/vcpkg.json"
    & $vcpkg format-manifest "$portsDir/$PortName/vcpkg.json"
}

function GeneratePort() {
    param (
        [string]$Library,
        [string]$Archive,
        [bool]$NeedsBuild = $true,
        $Dependencies = @()
    )

    $portName      = GeneratePortName $Library
    $portHash      = GeneratePortHash $Archive
    $homepage      = GetPortHomepage $Library
    $documentation = GetPortDocumentation $Library

    New-Item -ItemType 'Directory' "$portsDir/$portName" -erroraction SilentlyContinue | out-null

    # Generate vcpkg.json
    GeneratePortManifest `
        -PortName $portName `
        -Homepage $homepage `
        -Documentation $documentation `
        -Description "Boost $Library module" `
        -License 'BSL-1.0' `
        -Dependencies $Dependencies

    $portfileLines = @(
        '# Automatically generated by scripts/boost/generate-ports.ps1'
        ''
    )

    if (Test-Path "$scriptsBoostDir/pre-source-stubs/$Library.cmake") {
        $portfileLines += @(
            Get-Content "$scriptsBoostDir/pre-source-stubs/$Library.cmake"
            ''
        )
    }

    $portfileLines += @(
        "vcpkg_from_github(",
        "    OUT_SOURCE_PATH SOURCE_PATH",
        "    REPO boostorg/$Library",
        "    REF boost-`${VERSION}",
        "    SHA512 $portHash",
        "    HEAD_REF master"
    )

    [string[]]$patches = @()
    $patches += Get-ChildItem -Path "$portsDir/$portName/*" -Name -Include @('*.patch', '*.diff')
    if (Test-Path "$scriptsBoostDir/patch-stubs/$Library.txt") {
        $patches += Get-Content "$scriptsBoostDir/patch-stubs/$Library.txt"
    }

    if ($patches.Length -ne 0) {
        $portfileLines += @('    PATCHES')
        foreach ($patch in $patches) {
            $portfileLines += "        $patch"
        }
    }
    $portfileLines += @(
        ')'
        ''
    )

    if (Test-Path "$scriptsBoostDir/post-source-stubs/$Library.cmake") {
        $portfileLines += @(Get-Content "$scriptsBoostDir/post-source-stubs/$Library.cmake")
    }

    if ($NeedsBuild) {
        $portfileLines += @(
            'set(FEATURE_OPTIONS "")'
        )
        if (Test-Path "$portsDir/$portName/features.cmake") {
            $portfileLines += @(
                'include("${CMAKE_CURRENT_LIST_DIR}/features.cmake")'
            )
        }

        if (Test-Path "$scriptsBoostDir/pre-build-stubs/$Library.cmake") {
            $portfileLines += Get-Content "$scriptsBoostDir/pre-build-stubs/$Library.cmake"
        }

        $portfileLines += @(
            'boost_configure_and_install('
            '    SOURCE_PATH "${SOURCE_PATH}"'
            '    OPTIONS ${FEATURE_OPTIONS}'
            ')'
        )

        if (Test-Path "$scriptsBoostDir/post-build-stubs/$Library.cmake") {
            $portfileLines += @(Get-Content "$scriptsBoostDir/post-build-stubs/$Library.cmake")
        }
    }

    $portfileLines += @("")
    Set-Content -LiteralPath "$portsDir/$portName/portfile.cmake" `
        -Value "$($portfileLines -join "`n")" `
        -Encoding UTF8 `
        -NoNewline
}

if (!(Test-Path "$scriptsBoostDir/boost")) {
    'Cloning boost...'
    Push-Location $scriptsBoostDir
    try {
        git clone https://github.com/boostorg/boost --branch boost-$version
    }
    finally {
        Pop-Location
    }
}
else {
    Push-Location $scriptsBoostDir/boost
    try {
        git fetch
        git checkout -f boost-$version
    }
    finally {
        Pop-Location
    }
}

$foundLibraries = Get-ChildItem $scriptsBoostDir/boost/libs -directory | ForEach-Object name | ForEach-Object {
    if ($_ -eq 'numeric') {
        'numeric_conversion'
        'interval'
        'odeint'
        'ublas'
    }
    else {
        $_.ToString()
    }
}

$tools = @('build', 'cmake')

$foundLibraries += $tools
$foundLibraries = $foundLibraries | Sort-Object

$updateServicePorts = $false

if ($libraries.Length -eq 0) {
    $libraries = $foundLibraries
    $updateServicePorts = $true
}

$downloads = "$scriptsBoostDir/../../downloads"
New-Item -ItemType 'Directory' $downloads -erroraction SilentlyContinue | out-null

$boostPortDependencies = @()

foreach ($library in $libraries) {
    $archive = "$downloads/boostorg-$library-boost-$version.tar.gz"
    "Handling boost/$library... $archive"
    if (!(Test-Path $archive)) {
        "Downloading boost/$library..."
        Invoke-WebRequest -Uri "https://github.com/boostorg/$library/archive/boost-$version.tar.gz" -OutFile "$archive"
        "Downloaded boost/$library..."
    }

    $unpacked = "$scriptsBoostDir/libs/$library-boost-$version"
    if (!(Test-Path $unpacked)) {
        "Unpacking boost/$library..."
        New-Item -ItemType 'Directory' $scriptsBoostDir/libs -erroraction SilentlyContinue | out-null
        Push-Location $scriptsBoostDir/libs
        try {
            cmake -E tar xf $archive
        }
        finally {
            Pop-Location
        }
    }
    Push-Location $unpacked
    try {
        $usedLibraries = Get-ChildItem -Recurse -Path include, src -File `
        | Where-Object { $_ -is [System.IO.FileInfo] } `
        | ForEach-Object {
            Write-Verbose "${library}: processing file: $_"
            Get-Content -LiteralPath $_.FullName
        } `
        | Where-Object {
            $_ -match ' *# *include *[<"]boost\/'
        } `
        | ForEach-Object {
            # Extract path from the line
            Write-Verbose '${library}: processing line: $_'
            $_ -replace ' *# *include *[<"]boost\/([a-zA-Z0-9\.\-_\/]*)[>"].*', '$1'
        }`
        | ForEach-Object {
            # Map the path to the library name
            Write-Verbose "${library}: processing path: $_"
            if ($_ -match '^detail\/winapi\/') { 'winapi' }
            elseif ($_ -eq 'detail/algorithm.hpp') { 'graph' }
            elseif ($_ -eq 'detail/atomic_count.hpp') { 'smart_ptr' }
            elseif ($_ -eq 'detail/basic_pointerbuf.hpp') { 'lexical_cast' }
            elseif ($_ -eq 'detail/call_traits.hpp') { 'utility' }
            elseif ($_ -eq 'detail/compressed_pair.hpp') { 'utility' }
            elseif ($_ -eq 'detail/interlocked.hpp') { 'winapi' }
            elseif ($_ -eq 'detail/iterator.hpp') { 'core' }
            elseif ($_ -eq 'detail/lcast_precision.hpp') { 'lexical_cast' }
            elseif ($_ -eq 'detail/lightweight_mutex.hpp') { 'smart_ptr' }
            elseif ($_ -eq 'detail/lightweight_test.hpp') { 'core' }
            elseif ($_ -eq 'detail/lightweight_thread.hpp') { 'smart_ptr' }
            elseif ($_ -eq 'detail/no_exceptions_support.hpp') { 'core' }
            elseif ($_ -eq 'detail/scoped_enum_emulation.hpp') { 'core' }
            elseif ($_ -eq 'detail/sp_typeinfo.hpp') { 'core' }
            elseif ($_ -eq 'detail/ob_compressed_pair.hpp') { 'utility' }
            elseif ($_ -eq 'detail/quick_allocator.hpp') { 'smart_ptr' }
            elseif ($_ -eq 'detail/workaround.hpp') { 'config' }
            elseif ($_ -match '^functional\/hash\/') { 'container_hash' }
            elseif ($_ -eq 'functional/hash.hpp') { 'container_hash' }
            elseif ($_ -eq 'functional/hash_fwd.hpp') { 'container_hash' }
            elseif ($_ -match '^graph\/distributed\/') { 'graph_parallel' }
            elseif ($_ -match '^graph\/parallel\/') { 'graph_parallel' }
            elseif ($_ -eq 'graph/accounting.hpp') { 'graph_parallel' }
            elseif ($_ -eq 'exception/exception.hpp') { 'throw_exception' }
            elseif ($_ -match '^numeric\/conversion\/') { 'numeric_conversion' }
            elseif ($_ -match '^numeric\/interval\/') { 'interval' }
            elseif ($_ -match '^numeric\/odeint\/') { 'odeint' }
            elseif ($_ -match '^numeric\/ublas\/') { 'ublas' }
            elseif ($_ -eq 'numeric/interval.hpp') { 'interval' }
            elseif ($_ -eq 'numeric/odeint.hpp') { 'odeint' }
            elseif ($_ -match '^parameter\/aux_\/python\/') { 'parameter_python' }
            elseif ($_ -eq 'parameter/python.hpp') { 'parameter_python' }
            elseif ($_ -eq 'pending/detail/disjoint_sets.hpp') { 'graph' }
            elseif ($_ -eq 'pending/detail/int_iterator.hpp') { 'iterator' }
            elseif ($_ -eq 'pending/detail/property.hpp') { 'graph' }
            elseif ($_ -eq 'pending/bucket_sorter.hpp') { 'graph' }
            elseif ($_ -eq 'pending/container_traits.hpp') { 'graph' }
            elseif ($_ -eq 'pending/disjoint_sets.hpp') { 'graph' }
            elseif ($_ -eq 'pending/fenced_priority_queue.hpp') { 'graph' }
            elseif ($_ -eq 'pending/fibonacci_heap.hpp') { 'graph' }
            elseif ($_ -eq 'pending/indirect_cmp.hpp') { 'graph' }
            elseif ($_ -eq 'pending/integer_log2.hpp') { 'integer' }
            elseif ($_ -eq 'pending/is_heap.hpp') { 'graph' }
            elseif ($_ -eq 'pending/iterator_adaptors.hpp') { 'iterator' }
            elseif ($_ -eq 'pending/iterator_tests.hpp') { 'iterator' }
            elseif ($_ -eq 'pending/mutable_heap.hpp') { 'graph' }
            elseif ($_ -eq 'pending/mutable_queue.hpp') { 'graph' }
            elseif ($_ -eq 'pending/property.hpp') { 'graph' }
            elseif ($_ -eq 'pending/property_serialize.hpp') { 'graph' }
            elseif ($_ -eq 'pending/queue.hpp') { 'graph' }
            elseif ($_ -eq 'pending/relaxed_heap.hpp') { 'graph' }
            elseif ($_ -eq 'pending/stringtok.hpp') { 'graph' }
            elseif ($_ -match '^property_map\/parallel\/') { 'property_map_parallel' }
            elseif ($_ -eq 'utility/addressof.hpp') { 'core' }
            elseif ($_ -eq 'utility/declval.hpp') { 'type_traits' }
            elseif ($_ -eq 'utility/enable_if.hpp') { 'core' }
            elseif ($_ -eq 'utility/explicit_operator_bool.hpp') { 'core' }
            elseif ($_ -eq 'utility/swap.hpp') { 'core' }
            # Extract first directory name or file name from the path
            else { $_ -replace '([a-zA-Z0-9\.\-_]*).*', '$1' }
        } `
        | ForEach-Object {
            # Map directory/file name to the library name
            Write-Verbose "${library}: processing name: $_"
            if ($_ -eq 'current_function.hpp') { 'assert' }
            elseif ($_ -eq 'memory_order.hpp') { 'atomic' }
            elseif ($_ -match 'is_placeholder.hpp|mem_fn.hpp') { 'bind' }
            elseif ($_ -eq 'circular_buffer_fwd.hpp') { 'circular_buffer' }
            elseif ($_ -match '^concept$|concept_archetype.hpp') { 'concept_check' }
            elseif ($_ -match 'cstdint.hpp|cxx11_char_types.hpp|limits.hpp|version.hpp') { 'config' }
            elseif ($_ -eq 'contract_macro.hpp') { 'contract' }
            elseif ($_ -match 'implicit_cast.hpp|polymorphic_cast.hpp|polymorphic_pointer_cast.hpp') { 'conversion' }
            elseif ($_ -eq 'make_default.hpp') { 'convert' }
            elseif ($_ -match 'checked_delete.hpp|get_pointer.hpp|iterator.hpp|non_type.hpp|noncopyable.hpp|ref.hpp|swap.hpp|type.hpp|visit_each.hpp') { 'core' }
            elseif ($_ -match 'blank.hpp|blank_fwd.hpp|cstdlib.hpp') { 'detail' }
            elseif ($_ -eq 'dynamic_bitset_fwd.hpp') { 'dynamic_bitset' }
            elseif ($_ -eq 'exception_ptr.hpp') { 'exception' }
            elseif ($_ -eq 'foreach_fwd.hpp') { 'foreach' }
            elseif ($_ -eq 'function_equal.hpp') { 'function' }
            elseif ($_ -match 'integer_fwd.hpp|integer_traits.hpp') { 'integer' }
            elseif ($_ -eq 'io_fwd.hpp') { 'io' }
            elseif ($_ -match 'function_output_iterator.hpp|generator_iterator.hpp|indirect_reference.hpp|iterator_adaptors.hpp|next_prior.hpp|pointee.hpp|shared_container_iterator.hpp') { 'iterator' }
            elseif ($_ -match 'cstdfloat.hpp|math_fwd.hpp') { 'math' }
            elseif ($_ -match 'multi_index_container.hpp|multi_index_container_fwd.hpp') { 'multi_index' }
            elseif ($_ -eq 'cast.hpp') { 'numeric_conversion' }
            elseif ($_ -match 'none.hpp|none_t.hpp') { 'optional' }
            elseif ($_ -eq 'qvm_lite.hpp') { 'qvm' }
            elseif ($_ -eq 'nondet_random.hpp') { 'random' }
            elseif ($_ -match 'cregex.hpp|regex_fwd.hpp') { 'regex' }
            elseif ($_ -eq 'archive') { 'serialization' }
            elseif ($_ -match 'last_value.hpp|signal.hpp') { 'signals' }
            elseif ($_ -match 'enable_shared_from_this.hpp|intrusive_ptr.hpp|make_shared.hpp|make_unique.hpp|pointer_cast.hpp|pointer_to_other.hpp|scoped_array.hpp|scoped_ptr.hpp|shared_array.hpp|shared_ptr.hpp|weak_ptr.hpp') { 'smart_ptr' }
            elseif ($_ -eq 'cerrno.hpp') { 'system' }
            elseif ($_ -eq 'progress.hpp') { 'timer' }
            elseif ($_ -match 'token_functions.hpp|token_iterator.hpp') { 'tokenizer' }
            elseif ($_ -match 'aligned_storage.hpp') { 'type_traits' }
            elseif ($_ -match 'unordered_map.hpp|unordered_set.hpp') { 'unordered' }
            elseif ($_ -match 'call_traits.hpp|compressed_pair.hpp|operators.hpp|operators_v1.hpp') { 'utility' }
            # By dafault use the name as is, just remove the file extension if available
            else { $_ -replace '\.hp?p?', '' }
        } `
        | Where-Object {
            $_ -ne $library
        } `
        | Group-Object -NoElement | ForEach-Object Name

        '  [known] ' + $($usedLibraries | Where-Object { $foundLibraries -contains $_ })
        '[unknown] ' + $($usedLibraries | Where-Object { $foundLibraries -notcontains $_ })

        $deps = @($usedLibraries | Where-Object { $foundLibraries -contains $_ })

        # Remove optional dependencies
        $deps = @($deps `
            | Where-Object {
                # Boost.Filesystem only used for tests or examples
                # See https://github.com/boostorg/gil#requirements
                -not ($library -eq 'gil' -and $_ -eq 'filesystem')
            } `
            | Where-Object {
                # Note that Boost.Pfr is not listed because it's a peer dependency
                # See CMakeLists.txt
                -not ($library -eq 'mysql' -and $_ -eq 'pfr')
            } `
            | Where-Object {
                # Boost.Beast only used for MQTT connections over WebSocket
                # See CMakeLists.txt
                -not ($library -eq 'mqtt5' -and $_ -eq 'beast')
            }
        )

        # Remove cyclic dependencies
        $deps = @($deps `
            | Where-Object {
                -not ($library -eq 'graph' -and $_ -eq 'geometry')
            }
        )

        $needsBuild = $true

        if ($tools -contains $library) {
            $needsBuild = $false
            $deps += @('uninstall')
        }
        else {
            $deps += @('cmake')
            if ($library -ne 'headers') {
                $deps += @('headers')
                if ($library -ne 'config') {
                    # Note: CMake's built-in finder (FindBoost.cmake) looks for Boost header files (boost/version.h or boost/config.h)
                    # and stores the result in the Boost_INCLUDE_DIR variable. The files boost/version.h or boost/config.h are owned by the config library.
                    # Without these files, the Boost_INCLUDE_DIR variable will not be set and the Boost version will not be detected.
                    $deps += @('config')
                }
            }
            $boostPortDependencies += @(GeneratePortDependency $library)
        }

        $deps = $deps | Select-Object -Unique
        $deps = @($deps | ForEach-Object { GeneratePortDependency $_ -ForLibrary $library })

        GeneratePort `
            -Library $library `
            -Archive $archive `
            -NeedsBuild $needsBuild `
            -Dependencies $deps
    }
    finally {
        Pop-Location
    }
}

if ($updateServicePorts) {
    # Generate manifest file for master boost port which depends on each individual library
    GeneratePortManifest `
        -PortName 'boost' `
        -Homepage 'https://boost.org' `
        -Description 'Peer-reviewed portable C++ source libraries' `
        -License 'BSL-1.0' `
        -Dependencies $boostPortDependencies

    Set-Content -LiteralPath "$portsDir/boost/portfile.cmake" `
        -Value "set(VCPKG_POLICY_EMPTY_PACKAGE enabled)`n" `
        -Encoding UTF8 `
        -NoNewline

    # Generate manifest files for boost-uninstall
    GeneratePortManifest `
        -PortName 'boost-uninstall' `
        -Description 'Internal vcpkg port used to uninstall Boost' `
        -License 'MIT'
}
