# -----------------------------------------------------------------------------------
#
# Licensed to the Apache Software Foundation (ASF) under one or more
# contributor license agreements.  See the NOTICE file distributed with
# this work for additional information regarding copyright ownership.
# The ASF licenses this file to You under the Apache License, Version 2.0
# (the ""License""); you may not use this file except in compliance with
# the License.  You may obtain a copy of the License at
# 
# http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an ""AS IS"" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# -----------------------------------------------------------------------------------

param (
	[Parameter(Mandatory=$false)]
	[int]
	$ServeDocs = 1,
	[Parameter(Mandatory=$false)]
	[int]
	$Clean = 0,
	# LogLevel can be: Diagnostic, Verbose, Info, Warning, Error
	[Parameter(Mandatory=$false)]
	[string]
	$LogLevel = 'Info'
)

[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12

$PSScriptFilePath = (Get-Item $MyInvocation.MyCommand.Path).FullName
$RepoRoot = (get-item $PSScriptFilePath).Directory.Parent.Parent.FullName;
$SiteFolder = Join-Path -Path $RepoRoot -ChildPath "websites\site";
$ToolsFolder = Join-Path -Path $SiteFolder -ChildPath "tools";
#ensure the /build/tools folder
New-Item $ToolsFolder -type directory -force

if ($Clean -eq 1) {
	Write-Host "Cleaning tools..."
	Remove-Item (Join-Path -Path $ToolsFolder "\*") -recurse -force -ErrorAction SilentlyContinue
}

New-Item "$ToolsFolder\tmp" -type directory -force

# Go get docfx.exe if we don't have it
New-Item "$ToolsFolder\docfx" -type directory -force
$DocFxExe = "$ToolsFolder\docfx\docfx.exe"
if (-not (test-path $DocFxExe))
{
	Write-Host "Retrieving docfx..."
	$DocFxZip = "$ToolsFolder\tmp\docfx.zip"
	Invoke-WebRequest "https://github.com/dotnet/docfx/releases/download/v2.38.1/docfx.zip" -OutFile $DocFxZip -TimeoutSec 60 
	#unzip
	Expand-Archive $DocFxZip -DestinationPath (Join-Path -Path $ToolsFolder -ChildPath "docfx")
}

 Remove-Item  -Recurse -Force "$ToolsFolder\tmp"

# delete anything that already exists
if ($Clean -eq 1) {
	Write-Host "Cleaning..."
	Remove-Item (Join-Path -Path $SiteFolder "_site\*") -recurse -force -ErrorAction SilentlyContinue
	Remove-Item (Join-Path -Path $SiteFolder "_site") -force -ErrorAction SilentlyContinue
	Remove-Item (Join-Path -Path $SiteFolder "obj\*") -recurse -force -ErrorAction SilentlyContinue
	Remove-Item (Join-Path -Path $SiteFolder "obj") -force -ErrorAction SilentlyContinue
}

$DocFxJson = Join-Path -Path $SiteFolder "docfx.json"
$DocFxLog = Join-Path -Path $SiteFolder "obj\docfx.log"

if($?) { 
	if ($ServeDocs -eq 0){
		# build the output		
		Write-Host "Building docs..."
		& $DocFxExe build $DocFxJson -l "$DocFxLog" --loglevel $LogLevel
	}
	else {
		# build + serve (for testing)
		Write-Host "starting website..."
		& $DocFxExe $DocFxJson --serve
	}
}