// SPDX-License-Identifier: Apache-2.0
//
// The OpenSearch Contributors require contributions made to
// this file be licensed under the Apache-2.0 license or a
// compatible open source license.
//
// Modifications Copyright OpenSearch Contributors. See
// GitHub history for details.
//
//  Licensed to Elasticsearch B.V. under one or more contributor
//  license agreements. See the NOTICE file distributed with
//  this work for additional information regarding copyright
//  ownership. Elasticsearch B.V. 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.
//

module CommandLine

open Argu
open Microsoft.FSharp.Reflection

type Arguments =
    | [<CliPrefix(CliPrefix.None);SubCommand>] Clean
    | [<CliPrefix(CliPrefix.None);SubCommand>] Build
    
    | [<CliPrefix(CliPrefix.None);Hidden;SubCommand>] PristineCheck 
    | [<CliPrefix(CliPrefix.None);Hidden;SubCommand>] GeneratePackages
    | [<CliPrefix(CliPrefix.None);Hidden;SubCommand>] ValidatePackages 
    | [<CliPrefix(CliPrefix.None);Hidden;SubCommand>] GenerateReleaseNotes 
    | [<CliPrefix(CliPrefix.None);Hidden;SubCommand>] GenerateApiChanges 
    | [<CliPrefix(CliPrefix.None);SubCommand>] Release
    
    | [<CliPrefix(CliPrefix.None);Hidden;SubCommand>] CreateReleaseOnGithub 
    | [<CliPrefix(CliPrefix.None);SubCommand>] Publish
    
    | [<Inherit;AltCommandLine("-s")>] SingleTarget of bool
    | [<Inherit>] Token of string 
with
    interface IArgParserTemplate with
        member this.Usage =
            match this with
            | Clean _ -> "clean known output locations"
            | Build _ -> "Run build and tests"
            | Release _ -> "runs build, and create an validates the packages shy of publishing them"
            | Publish _ -> "Runs the full release"
            
            | SingleTarget _ -> "Runs the provided sub command without running their dependencies"
            | Token _ -> "Token to be used to authenticate with github"
            
            | PristineCheck  
            | GeneratePackages
            | ValidatePackages 
            | GenerateReleaseNotes
            | GenerateApiChanges
            | CreateReleaseOnGithub 
                -> "Undocumented, dependent target"
    member this.Name =
        match FSharpValue.GetUnionFields(this, typeof<Arguments>) with
        | case, _ -> case.Name.ToLowerInvariant()