TheMovieDB-Filename-Posters.ps1

Param( 
	[Parameter(Mandatory=$true,Position=0,ValueFromPipeline=$true,HelpMessage="Provide a full path to movie files")] 
	[alias("p")]
	[ValidateScript({ $_.Replace("[", "``[").Replace("]", "``]"); Test-Path -Path $_ -PathType 'Container'})]
	[System.String]$path,
	[Parameter(Position=1,ValueFromPipeline=$true)]
	[alias("api")]
	[int]$apikey = "098f6bcd4621d373cade4e832627b4f6" # Get your own! https://developers.themoviedb.org/3/getting-started/authentication
)

Add-Type -AssemblyName System.Web

Get-ChildItem -Path $path -Force | ?{!$_.PSIsContainer -and $_.Name -match "\.(avi|mkv|mp4|xvid)$"} | Select -First 10 | %{
	$dir = $_.Directory.Fullname
	$imdburi = "https://api.themoviedb.org/3/search/movie?query={0}&language=ru-RU&api_key={1}" -f [System.Web.HttpUtility]::UrlEncode([System.IO.Path]::GetFileNameWithoutExtension($_.Name)), $apikey
	$movie = Invoke-WebRequest -Uri $imdburi
	(ConvertFrom-Json $movie.Content).results | Select -First 1 | %{
		#$r = Invoke-WebRequest -Uri ("https://api.themoviedb.org/3/movie/{0}/images?api_key={1}" -f $_.id, $apikey)
		#$images = (ConvertFrom-Json $r).backdrops
		$filename = "{0} - {1} ({2}){3}" -f $_.original_title, $_.title, ([datetime]::Parse($_.release_date)).Year, [System.IO.Path]::GetExtension($_.poster_path)
		$filename = $filename -replace ":",' - ' -replace ' {2}', ' '
		$filename = ([char[]]$filename | ?{[IO.Path]::GetinvalidFileNameChars() -notcontains $_ }) -join ''
		Invoke-WebRequest -Uri ("https://image.tmdb.org/t/p/w640"+$_.poster_path) -OutFile "$dir\$filename"
	}
}