// Copyright (c) Microsoft Corporation. All rights reserved.

// Licensed under the MIT License.

using System;

using System.IO;

using System.Management.Automation;

using Microsoft.PowerShell.PSResourceGet.UtilClasses;

namespace Microsoft.PowerShell.PSResourceGet.Cmdlets

{

/// <summary>

/// Tests the contents of a .ps1 file to see if it has all properties and is in correct format

/// for publishing the script with the file.

/// </summary>

[Cmdlet(VerbsDiagnostic.Test, "PSScriptFileInfo")]

[OutputType(typeof(bool))]

public sealed class TestPSScriptFileInfo : PSCmdlet

{

#region Parameters

/// <summary>

/// The path to the .ps1 file to test.

/// </summary>

[Parameter(Position = 0, Mandatory = true, HelpMessage = "Path (including file name) to the script file (.ps1 file) to test.")]

[ValidateNotNullOrEmpty]

public string Path { get; set; }

#endregion

#region Methods

protected override void EndProcessing()

{

if (!Path.EndsWith(".ps1", StringComparison.OrdinalIgnoreCase))

{

ThrowTerminatingError(new ErrorRecord(

new ArgumentException("Path needs to end with a .ps1 file. Example: C:/Users/john/x/MyScript.ps1"),

"InvalidPath",

ErrorCategory.InvalidArgument,

this));

}

var resolvedPaths = GetResolvedProviderPathFromPSPath(Path, out ProviderInfo provider);

if (resolvedPaths.Count != 1)

{

ThrowTerminatingError(new ErrorRecord(

new PSArgumentException("Could not resolve provided path argument to a single path."),

"InvalidPathArgumentError",

ErrorCategory.InvalidArgument,

this));

}

var resolvedPath = resolvedPaths[0];

if (!File.Exists(resolvedPath))

{

ThrowTerminatingError(new ErrorRecord(

new ArgumentException("A .ps1 file does not exist at the location specified."),

"FileDoesNotExistAtPath",

ErrorCategory.InvalidArgument,

this));

}

WriteDebug($"Resolved path is '{resolvedPath}'");

bool isValidScript = PSScriptFileInfo.TryTestPSScriptFileInfo(

scriptFileInfoPath: resolvedPath,

parsedScript: out PSScriptFileInfo _,

errors: out ErrorRecord[] errors,

out string[] verboseMsgs);

if (!isValidScript)

{

foreach (ErrorRecord error in errors)

{

WriteVerbose("The .ps1 script file passed in was not valid due to: " + error.Exception.Message);

}

}

foreach (string msg in verboseMsgs)

{

WriteVerbose(msg);

}

WriteObject(isValidScript);

}

#endregion

}

}