# Get-GlobalIPAddr.ps1
[CmdletBinding()]
param (
    [string]$url = "https://api.ipify.org?format=json",
    [switch]$ToJson,
    [switch]$ToObject
)

# $urlのAPIが返すJSONがObjectとして$resに格納される
$res = Invoke-RestMethod $url

if ($ToJson){
    return $res | ConvertTo-Json # Jsonとして出力
}elseif ($ToObject){
    return $res # PSCustomObjectとして出力
}else{
    return $res.ip # IPだけ出力
}

<# 出力の様子
PS [NIKA-DESKTOP]> .\Get-GlobalIP.ps1
192.0.2.0
PS [NIKA-DESKTOP]> .\Get-GlobalIP.ps1 -ToJson
{
  "ip": "192.0.2.0"
}
PS [NIKA-DESKTOP]> .\Get-GlobalIP.ps1 -ToObject

ip
--
192.0.2.0

PS [NIKA-DESKTOP]>
PS [NIKA-DESKTOP]> (.\Get-GlobalIP.ps1 -ToObject).GetType()

IsPublic IsSerial Name                                     BaseType
-------- -------- ----                                     --------
True     False    PSCustomObject                           System.Object

PS [NIKA-DESKTOP]>
#>

function Get-Ranking {
    param(
        [switch]$Brief,
        [switch]$HtmlOnly,
        [switch]$DebugShowBody, # -debug オプションと一緒に使ってください
        [Parameter(ValueFromPipeline)]$body = "",
        $Floor = "home",
        $Category = "voice", #game, comic, voice, 空白は総合ランキング
        $term = "week",
        $sort = "sale", #空白は人気順,販売数順はsale
        $Limit30d = "30d"
    )

    process {
        Import-Module AngleParse
        if ($body -eq ""){
            #TODO: URL生成をパラメーターでやる
            #https://www.dlsite.com/home/ranking/week?category=voice&date=30d&sort=sale
            $url = "https://www.dlsite.com/$($Floor)/ranking/$($term)?category=$($category)&sort=$($sort)&date=$($Limit30d)"
            Write-Debug "body was not input.`n $url"
            $body = (Invoke-WebRequest $url).Content
        }else{
            Write-Debug "body is inputed."
        }
        if ($DebugShowBody) { Write-Debug $body }
        if ($HtmlOnly) { return $body.Content } # HTMLだけを返すモード
    
        $r_asmr = $body | Select-HtmlContent "#ranking_table > tbody > tr" , @{
            "サークル" = "td > dl > dd.maker_name > a"
            work_name = "td > dl > dt > a"
            work_id = "td > dl > dt > a", [AngleParse.Attr]::Href, { $_ -replace "(https://.*/product_id/|\.html)","" }
            work_price = "td > dl > dd.work_price_wrap > span.work_price", { $_ -replace "(円|,)","" }
            discount = "td > dl > dd.work_price_wrap > span.work_price.discount", { $_ -replace "(円|,)","" }
            star_count = "li.work_rating > div", { $_ -replace "(\(|\)|,)","" }
            star_rate = "td > ul > li.work_rating > div", [AngleParse.Attr]::Class, { (($_ -replace "star_rating","") -replace "star_","").Trim() }
            review_count = "td > ul > li.work_review > span > div > a",{ $_ -replace "(\(|\)|,)","" }
            work_dl = "td > ul > li.work_dl > div > span", { $_ -replace "(\(|\)|,)","" }
            sales_date = "td > ul > li.sales_date", { ((($_ -replace "販売日:","") -replace "(年|月)","-") -replace "日","").Trim() }
            "声優" = "td > dl > dd.maker_name > span.author > a"
            "ジャンル" = "td > dl > dd.search_tag > a"
            rank_no = "td.ranking_count > div > div.rank_no"
        }
    
        if ($Brief){
            return $r_asmr | Select-Object -Property work_name,work_price,circle_name,star_count
        }else{
            return $r_asmr            
        }
    }

}

PS :>. .\get-ranking.ps1
PS :> (Get-Ranking -sort "sale" -Debug)[0..3]
DEBUG: body was not input.
 https://www.dlsite.com/home/ranking/week?category=voice&sort=sale&date=30d

star_count   : 2610
ジャンル     : {萌え, 癒し, バイノーラル/ダミヘ, ASMR}
声優         : 春花らん
star_rate    : 50
work_id      : RJ403038
work_name    : 【ブルーアーカイブ】ユウカASMR～頑張るあなたのすぐそばに～
サークル     : Yostar
discount     : 1188
work_price   : 1188
rank_no      : 1
work_dl      : 19811
review_count : 41
sales_date   : 2022-07-17

star_count   : 188
ジャンル     : {健全, 癒し, ASMR, ロリ…}
声優         : 浅見ゆい
star_rate    : 50
work_id      : RJ404647
work_name    : 砂塵荒野と草原の国の少女 放浪系安眠音声作品【CV:浅見ゆいさま/2時間34分】
サークル     : チームランドセル
discount     : 1056
work_price   : 1056
rank_no      : 2
work_dl      : 1067
review_count : 2
sales_date   : 2022-07-28

star_count   : 661
ジャンル     : {萌え, 癒し, バイノーラル/ダミヘ, ASMR…}
声優         : 一之瀬りと
star_rate    : 50
work_id      : RJ400655
work_name    : お耳癒やしエステサロンへようこそ
サークル     : いちのや
discount     : 1056
work_price   : 1056
rank_no      : 3
work_dl      : 3230
review_count : 11
sales_date   : 2022-07-20

work_id = "td > dl > dt > a", [AngleParse.Attr]::Href, { $_ -replace "(https://.*/product_id/|\.html)","" }

"td > dl > dt > a" | [AngleParse.Attr]::Href | { $_ -replace "(https://.*/product_id/|\.html)","" }