module Giraffe.ViewEngine.Htmx.Tests

open Giraffe.ViewEngine
open Xunit

/// Tests for the HxEncoding module
module Encoding =

    [<Fact>]
    let ``Form is correct`` () =
        Assert.Equal ("application/x-www-form-urlencoded", HxEncoding.Form)

    [<Fact>]
    let ``MultipartForm is correct`` () =
        Assert.Equal ("multipart/form-data", HxEncoding.MultipartForm)


/// Tests for the HxHeaders module
module Headers =

    [<Fact>]
    let ``From succeeds with an empty list`` () =
        Assert.Equal ("{  }", HxHeaders.From [])

    [<Fact>]
    let ``From succeeds and escapes quotes`` () =
        Assert.Equal ("{ \"test\": \"one two three\", \"again\": \"four \\\"five\\\" six\" }",
                      HxHeaders.From [ "test", "one two three"; "again", "four \"five\" six" ])


/// Tests for the HxParams module
module Params =

    [<Fact>]
    let ``All is correct`` () =
        Assert.Equal ("*", HxParams.All)

    [<Fact>]
    let ``None is correct`` () =
        Assert.Equal ("none", HxParams.None)

    [<Fact>]
    let ``With succeeds with empty list`` () =
        Assert.Equal ("", HxParams.With [])

    [<Fact>]
    let ``With succeeds with one list item`` () =
        Assert.Equal ("boo", HxParams.With [ "boo" ])

    [<Fact>]
    let ``With succeeds with multiple list items`` () =
        Assert.Equal ("foo,bar,baz", HxParams.With [ "foo"; "bar"; "baz" ])

    [<Fact>]
    let ``Except succeeds with empty list`` () =
        Assert.Equal ("not ", HxParams.Except [])

    [<Fact>]
    let ``Except succeeds with one list item`` () =
        Assert.Equal ("not that", HxParams.Except [ "that" ])

    [<Fact>]
    let ``Except succeeds with multiple list items`` () =
        Assert.Equal ("not blue,green", HxParams.Except [ "blue"; "green" ])


/// Tests for the HxRequest module
module Request =

    [<Fact>]
    let ``Configure succeeds with an empty list`` () =
        Assert.Equal ("{  }", HxRequest.Configure [])

    [<Fact>]
    let ``Configure succeeds with a non-empty list`` () =
        Assert.Equal ("{ \"a\": \"b\", \"c\": \"d\" }", HxRequest.Configure [ "\"a\": \"b\""; "\"c\": \"d\"" ])

    [<Fact>]
    let ``Configure succeeds with all known params configured`` () =
        Assert.Equal ("{ \"timeout\": 1000, \"credentials\": false, \"noHeaders\": true }",
                      HxRequest.Configure [ HxRequest.Timeout 1000; HxRequest.Credentials false; HxRequest.NoHeaders true ])

    [<Fact>]
    let ``Timeout succeeds`` () =
        Assert.Equal ("\"timeout\": 50", HxRequest.Timeout 50)

    [<Fact>]
    let ``Credentials succeeds when set to true`` () =
        Assert.Equal ("\"credentials\": true", HxRequest.Credentials true)

    [<Fact>]
    let ``Credentials succeeds when set to false`` () =
        Assert.Equal ("\"credentials\": false", HxRequest.Credentials false)

    [<Fact>]
    let ``NoHeaders succeeds when set to true`` () =
        Assert.Equal ("\"noHeaders\": true", HxRequest.NoHeaders true)

    [<Fact>]
    let ``NoHeaders succeeds when set to false`` () =
        Assert.Equal ("\"noHeaders\": false", HxRequest.NoHeaders false)

  
/// Tests for the HxTrigger module
module Trigger =

    [<Fact>]
    let ``Click is correct`` () =
        Assert.Equal ("click", HxTrigger.Click)

    [<Fact>]
    let ``Load is correct`` () =
        Assert.Equal ("load", HxTrigger.Load)

    [<Fact>]
    let ``Revealed is correct`` () =
        Assert.Equal ("revealed", HxTrigger.Revealed)

    [<Fact>]
    let ``Every succeeds`` () =
        Assert.Equal ("every 3s", HxTrigger.Every "3s")

    [<Fact>]
    let ``Filter.Alt succeeds`` () =
        Assert.Equal ("click[altKey]", HxTrigger.Filter.Alt HxTrigger.Click)

    [<Fact>]
    let ``Filter.Ctrl succeeds`` () =
        Assert.Equal ("click[ctrlKey]", HxTrigger.Filter.Ctrl HxTrigger.Click)

    [<Fact>]
    let ``Filter.Shift succeeds`` () =
        Assert.Equal ("click[shiftKey]", HxTrigger.Filter.Shift HxTrigger.Click)

    [<Fact>]
    let ``Filter.CtrlAlt succeeds`` () =
        Assert.Equal ("click[ctrlKey&&altKey]", HxTrigger.Filter.CtrlAlt HxTrigger.Click)

    [<Fact>]
    let ``Filter.CtrlShift succeeds`` () =
        Assert.Equal ("click[ctrlKey&&shiftKey]", HxTrigger.Filter.CtrlShift HxTrigger.Click)

    [<Fact>]
    let ``Filter.CtrlAltShift succeeds`` () =
        Assert.Equal ("click[ctrlKey&&altKey&&shiftKey]", HxTrigger.Filter.CtrlAltShift HxTrigger.Click)

    [<Fact>]
    let ``Filter.AltShift succeeds`` () =
        Assert.Equal ("click[altKey&&shiftKey]", HxTrigger.Filter.AltShift HxTrigger.Click)

    [<Fact>]
    let ``Once succeeds when it is the first modifier`` () =
        Assert.Equal ("once", HxTrigger.Once "")

    [<Fact>]
    let ``Once succeeds when it is not the first modifier`` () =
        Assert.Equal ("click once", HxTrigger.Once "click")

    [<Fact>]
    let ``Changed succeeds when it is the first modifier`` () =
        Assert.Equal ("changed", HxTrigger.Changed "")

    [<Fact>]
    let ``Changed succeeds when it is not the first modifier`` () =
        Assert.Equal ("click changed", HxTrigger.Changed "click")

    [<Fact>]
    let ``Delay succeeds when it is the first modifier`` () =
        Assert.Equal ("delay:1s", HxTrigger.Delay "1s" "")

    [<Fact>]
    let ``Delay succeeds when it is not the first modifier`` () =
        Assert.Equal ("click delay:2s", HxTrigger.Delay "2s" "click")

    [<Fact>]
    let ``Throttle succeeds when it is the first modifier`` () =
        Assert.Equal ("throttle:4s", HxTrigger.Throttle "4s" "")

    [<Fact>]
    let ``Throttle succeeds when it is not the first modifier`` () =
        Assert.Equal ("click throttle:7s", HxTrigger.Throttle "7s" "click")

    [<Fact>]
    let ``From succeeds when it is the first modifier`` () =
        Assert.Equal ("from:.nav", HxTrigger.From ".nav" "")

    [<Fact>]
    let ``From succeeds when it is not the first modifier`` () =
        Assert.Equal ("click from:#somewhere", HxTrigger.From "#somewhere" "click")

    [<Fact>]
    let ``FromDocument succeeds when it is the first modifier`` () =
        Assert.Equal ("from:document", HxTrigger.FromDocument "")
      
    [<Fact>]
    let ``FromDocument succeeds when it is not the first modifier`` () =
        Assert.Equal ("click from:document", HxTrigger.FromDocument "click")

    [<Fact>]
    let ``FromWindow succeeds when it is the first modifier`` () =
        Assert.Equal ("from:window", HxTrigger.FromWindow "")

    [<Fact>]
    let ``FromWindow succeeds when it is not the first modifier`` () =
        Assert.Equal ("click from:window", HxTrigger.FromWindow "click")

    [<Fact>]
    let ``FromClosest succeeds when it is the first modifier`` () =
        Assert.Equal ("from:closest div", HxTrigger.FromClosest "div" "")

    [<Fact>]
    let ``FromClosest succeeds when it is not the first modifier`` () =
        Assert.Equal ("click from:closest p", HxTrigger.FromClosest "p" "click")

    [<Fact>]
    let ``FromFind succeeds when it is the first modifier`` () =
        Assert.Equal ("from:find li", HxTrigger.FromFind "li" "")

    [<Fact>]
    let ``FromFind succeeds when it is not the first modifier`` () =
        Assert.Equal ("click from:find .spot", HxTrigger.FromFind ".spot" "click")

    [<Fact>]
    let ``Target succeeds when it is the first modifier`` () =
        Assert.Equal ("target:main", HxTrigger.Target "main" "")

    [<Fact>]
    let ``Target succeeds when it is not the first modifier`` () =
        Assert.Equal ("click target:footer", HxTrigger.Target "footer" "click")

    [<Fact>]
    let ``Consume succeeds when it is the first modifier`` () =
        Assert.Equal ("consume", HxTrigger.Consume "")

    [<Fact>]
    let ``Consume succeeds when it is not the first modifier`` () =
        Assert.Equal ("click consume", HxTrigger.Consume "click")

    [<Fact>]
    let ``Queue succeeds when it is the first modifier`` () =
        Assert.Equal ("queue:abc", HxTrigger.Queue "abc" "")

    [<Fact>]
    let ``Queue succeeds when it is not the first modifier`` () =
        Assert.Equal ("click queue:def", HxTrigger.Queue "def" "click")

    [<Fact>]
    let ``QueueFirst succeeds when it is the first modifier`` () =
        Assert.Equal ("queue:first", HxTrigger.QueueFirst "")

    [<Fact>]
    let ``QueueFirst succeeds when it is not the first modifier`` () =
        Assert.Equal ("click queue:first", HxTrigger.QueueFirst "click")

    [<Fact>]
    let ``QueueLast succeeds when it is the first modifier`` () =
        Assert.Equal ("queue:last", HxTrigger.QueueLast "")

    [<Fact>]
    let ``QueueLast succeeds when it is not the first modifier`` () =
        Assert.Equal ("click queue:last", HxTrigger.QueueLast "click")

    [<Fact>]
    let ``QueueAll succeeds when it is the first modifier`` () =
        Assert.Equal ("queue:all", HxTrigger.QueueAll "")

    [<Fact>]
    let ``QueueAll succeeds when it is not the first modifier`` () =
        Assert.Equal ("click queue:all", HxTrigger.QueueAll "click")

    [<Fact>]
    let ``QueueNone succeeds when it is the first modifier`` () =
        Assert.Equal ("queue:none", HxTrigger.QueueNone "")

    [<Fact>]
    let ``QueueNone succeeds when it is not the first modifier`` () =
        Assert.Equal ("click queue:none", HxTrigger.QueueNone "click")


/// Tests for the HxVals module
module Vals =

    [<Fact>]
    let ``From succeeds with an empty list`` () =
        Assert.Equal ("{  }", HxVals.From [])

    [<Fact>]
    let ``From succeeds and escapes quotes`` () =
        Assert.Equal ("{ \"test\": \"a \\\"b\\\" c\", \"2\": \"d e f\" }",
                      HxVals.From [ "test", "a \"b\" c"; "2", "d e f" ])


/// Tests for the HtmxAttrs module
module Attributes =

    /// Pipe-able assertion for a rendered node 
    let shouldRender expected node = Assert.Equal (expected, RenderView.AsString.htmlNode node)

    [<Fact>]
    let ``_hxBoost succeeds`` () =
        div [ _hxBoost ] [] |> shouldRender """<div hx-boost="true"></div>"""

    [<Fact>]
    let ``_hxConfirm succeeds`` () =
        button [ _hxConfirm "REALLY?!?" ] [] |> shouldRender """<button hx-confirm="REALLY?!?"></button>"""

    [<Fact>]
    let ``_hxDelete succeeds`` () =
        span [ _hxDelete "/this-endpoint" ] [] |> shouldRender """<span hx-delete="/this-endpoint"></span>"""

    [<Fact>]
    let ``_hxDisable succeeds`` () =
        p [ _hxDisable ] [] |> shouldRender """<p hx-disable></p>"""

    [<Fact>]
    let ``_hxDisinherit succeeds`` () =
        strong [ _hxDisinherit "*" ] [] |> shouldRender """<strong hx-disinherit="*"></strong>"""

    [<Fact>]
    let ``_hxEncoding succeeds`` () =
        form [ _hxEncoding "utf-7" ] [] |> shouldRender """<form hx-encoding="utf-7"></form>"""

    [<Fact>]
    let ``_hxExt succeeds`` () =
        section [ _hxExt "extendme" ] [] |> shouldRender """<section hx-ext="extendme"></section>"""

    [<Fact>]
    let ``_hxGet succeeds`` () =
        article [ _hxGet "/the-text" ] [] |> shouldRender """<article hx-get="/the-text"></article>"""

    [<Fact>]
    let ``_hxHeaders succeeds`` () =
        figure [ _hxHeaders """{ "X-Special-Header": "some-header" }""" ] []
        |> shouldRender """<figure hx-headers="{ &quot;X-Special-Header&quot;: &quot;some-header&quot; }"></figure>"""

    [<Fact>]
    let ``_hxHistoryElt succeeds`` () =
        table [ _hxHistoryElt ] [] |> shouldRender """<table hx-history-elt></table>"""

    [<Fact>]
    let ``_hxInclude succeeds`` () =
        a [ _hxInclude ".extra-stuff" ] [] |> shouldRender """<a hx-include=".extra-stuff"></a>"""

    [<Fact>]
    let ``_hxIndicator succeeds`` () =
        aside [ _hxIndicator "#spinner" ] [] |> shouldRender """<aside hx-indicator="#spinner"></aside>"""

    [<Fact>]
    let ``_hxNoBoost succeeds`` () =
        td [ _hxNoBoost ] [] |> shouldRender """<td hx-boost="false"></td>"""

    [<Fact>]
    let ``_hxParams succeeds`` () =
        br [ _hxParams "[p1,p2]" ] |> shouldRender """<br hx-params="[p1,p2]">"""

    [<Fact>]
    let ``_hxPatch succeeds`` () =
        div [ _hxPatch "/arrrgh" ] [] |> shouldRender """<div hx-patch="/arrrgh"></div>"""

    [<Fact>]
    let ``_hxPost succeeds`` () =
        hr [ _hxPost "/hear-ye-hear-ye" ] |> shouldRender """<hr hx-post="/hear-ye-hear-ye">"""

    [<Fact>]
    let ``_hxPreserve succeeds`` () =
        img [ _hxPreserve ] |> shouldRender """<img hx-preserve="true">"""

    [<Fact>]
    let ``_hxPrompt succeeds`` () =
        strong [ _hxPrompt "Who goes there?" ] [] |> shouldRender """<strong hx-prompt="Who goes there?"></strong>"""

    [<Fact>]
    let ``_hxPushUrl succeeds`` () =
        dl [ _hxPushUrl "/a-b-c" ] [] |> shouldRender """<dl hx-push-url="/a-b-c"></dl>"""

    [<Fact>]
    let ``_hxPut succeeds`` () =
        s [ _hxPut "/take-this" ] [] |> shouldRender """<s hx-put="/take-this"></s>"""

    [<Fact>]
    let ``_hxReplaceUrl succeeds`` () =
        p [ _hxReplaceUrl "/something-else" ] [] |> shouldRender """<p hx-replace-url="/something-else"></p>"""

    [<Fact>]
    let ``_hxRequest succeeds`` () =
        u [ _hxRequest "noHeaders" ] [] |> shouldRender """<u hx-request="noHeaders"></u>"""

    [<Fact>]
    let ``_hxSelect succeeds`` () =
        nav [ _hxSelect "#navbar" ] [] |> shouldRender """<nav hx-select="#navbar"></nav>"""

    [<Fact>]
    let ``_hxSelectOob succeeds`` () =
        section [ _hxSelectOob "#oob" ] [] |> shouldRender """<section hx-select-oob="#oob"></section>"""

    [<Fact>]
    let ``_hxSse succeeds`` () =
        footer [ _hxSse "connect:/my-events" ] [] |> shouldRender """<footer hx-sse="connect:/my-events"></footer>"""

    [<Fact>]
    let ``_hxSwap succeeds`` () =
        del [ _hxSwap "innerHTML" ] [] |> shouldRender """<del hx-swap="innerHTML"></del>"""

    [<Fact>]
    let ``_hxSwapOob succeeds`` () =
        li [ _hxSwapOob "true" ] [] |> shouldRender """<li hx-swap-oob="true"></li>"""

    [<Fact>]
    let ``_hxSync succeeds`` () =
        nav [ _hxSync "closest form:abort" ] [] |> shouldRender """<nav hx-sync="closest form:abort"></nav>"""

    [<Fact>]
    let ``_hxTarget succeeds`` () =
        header [ _hxTarget "#somewhereElse" ] [] |> shouldRender """<header hx-target="#somewhereElse"></header>"""

    [<Fact>]  
    let ``_hxTrigger succeeds`` () =
        figcaption [ _hxTrigger "load" ] [] |> shouldRender """<figcaption hx-trigger="load"></figcaption>"""

    [<Fact>]
    let ``_hxVals succeeds`` () =
        dt [ _hxVals """{ "extra": "values" }""" ] []
        |> shouldRender """<dt hx-vals="{ &quot;extra&quot;: &quot;values&quot; }"></dt>"""

    [<Fact>]
    let ``_hxWs succeeds`` () =
        ul [ _hxWs "connect:/web-socket" ] [] |> shouldRender """<ul hx-ws="connect:/web-socket"></ul>"""


/// Tests for the Script module
module Script =

    [<Fact>]
    let ``Script.minified succeeds`` () =
        let html = RenderView.AsString.htmlNode Script.minified
        Assert.Equal
            ("""<script src="https://unpkg.com/htmx.org@1.8.0" integrity="sha384-cZuAZ+ZbwkNRnrKi05G/fjBX+azI9DNOkNYysZ0I/X5ZFgsmMiBXgDZof30F5ofc" crossorigin="anonymous"></script>""",
             html)

    [<Fact>]
    let ``Script.unminified succeeds`` () =
        let html = RenderView.AsString.htmlNode Script.unminified
        Assert.Equal
            ("""<script src="https://unpkg.com/htmx.org@1.8.0/dist/htmx.js" integrity="sha384-mrsv860ohrJ5KkqRxwXXj6OIT6sONUxOd+1kvbqW351hQd7JlfFnM0tLetA76GU0" crossorigin="anonymous"></script>""",
             html)