module PrayerTracker.UI.CommonFunctionsTests

open Expecto
open Giraffe.GiraffeViewEngine
open Microsoft.AspNetCore.Mvc.Localization
open Microsoft.Extensions.Localization
open PrayerTracker.Tests.TestLocalization
open PrayerTracker.Views
open System.IO


[<Tests>]
let iconSizedTests =
  testList "iconSized" [
    test "succeeds" {
      let ico = iconSized 18 "tom-&-jerry" |> renderHtmlNode
      Expect.equal ico "<i class=\"material-icons md-18\">tom-&-jerry</i>" "icon HTML not correct"
      }
    ]

[<Tests>]
let iconTests =
  testList "icon" [
    test "succeeds" {
      let ico = icon "bob-&-tom" |> renderHtmlNode
      Expect.equal ico "<i class=\"material-icons\">bob-&-tom</i>" "icon HTML not correct"
      }
    ]

[<Tests>]
let locStrTests =
  testList "locStr" [
    test "succeeds" {
      let enc = locStr (LocalizedString ("test", "test&")) |> renderHtmlNode
      Expect.equal enc "test&amp;" "string not encoded correctly"
      }
    ]

[<Tests>]
let namedColorListTests =
  testList "namedColorList" [
    test "succeeds with default values" {
      let expected =
        [ "<select name=\"the-name\">"
          "<option value=\"aqua\" style=\"background-color:aqua;color:black;\">aqua</option>"
          "<option value=\"black\" style=\"background-color:black;color:white;\">black</option>"
          "<option value=\"blue\" style=\"background-color:blue;color:white;\">blue</option>"
          "<option value=\"fuchsia\" style=\"background-color:fuchsia;color:black;\">fuchsia</option>"
          "<option value=\"gray\" style=\"background-color:gray;color:white;\">gray</option>"
          "<option value=\"green\" style=\"background-color:green;color:white;\">green</option>"
          "<option value=\"lime\" style=\"background-color:lime;color:black;\">lime</option>"
          "<option value=\"maroon\" style=\"background-color:maroon;color:white;\">maroon</option>"
          "<option value=\"navy\" style=\"background-color:navy;color:white;\">navy</option>"
          "<option value=\"olive\" style=\"background-color:olive;color:white;\">olive</option>"
          "<option value=\"purple\" style=\"background-color:purple;color:white;\">purple</option>"
          "<option value=\"red\" style=\"background-color:red;color:black;\">red</option>"
          "<option value=\"silver\" style=\"background-color:silver;color:black;\">silver</option>"
          "<option value=\"teal\" style=\"background-color:teal;color:white;\">teal</option>"
          "<option value=\"white\" style=\"background-color:white;color:black;\">white</option>"
          "<option value=\"yellow\" style=\"background-color:yellow;color:black;\">yellow</option>"
          "</select>"
          ]
        |> String.concat ""
      let selectList = namedColorList "the-name" "" [] _s |> renderHtmlNode
      Expect.equal expected selectList "The default select list was not generated correctly"
      }
    test "succeeds with a selected value" {
      let selectList = namedColorList "the-name" "white" [] _s |> renderHtmlNode
      Expect.stringContains selectList " selected>white</option>" "Selected option not generated correctly"
      }
    test "succeeds with extra attributes" {
      let selectList = namedColorList "the-name" "" [ _id "myId" ] _s |> renderHtmlNode
      Expect.stringStarts selectList "<select name=\"the-name\" id=\"myId\">" "Attributes not included correctly"
      }
    ]

[<Tests>]
let radioTests =
  testList "radio" [
    test "succeeds when not selected" {
      let rad = radio "a-name" "anId" "test" "unit" |> renderHtmlNode
      Expect.equal rad "<input type=\"radio\" name=\"a-name\" id=\"anId\" value=\"test\">"
        "Unselected radio button not generated correctly"
      }
    test "succeeds when selected" {
      let rad = radio "a-name" "anId" "unit" "unit" |> renderHtmlNode
      Expect.equal rad "<input type=\"radio\" name=\"a-name\" id=\"anId\" value=\"unit\" checked>"
        "Selected radio button not generated correctly"
      }
    ]

[<Tests>]
let rawLocTextTests =
  testList "rawLocText" [
    test "succeeds" {
      use sw  = new StringWriter ()
      let raw = rawLocText sw (LocalizedHtmlString ("test", "test&")) |> renderHtmlNode
      Expect.equal raw "test&" "string not written correctly"
      }
    ]

[<Tests>]
let selectDefaultTests =
  testList "selectDefault" [
    test "succeeds" {
      Expect.equal (selectDefault "a&b") "— a&b —" "Default selection not generated correctly"
      }
    ]

[<Tests>]
let selectListTests =
  testList "selectList" [
    test "succeeds with minimum options" {
      let theList = selectList "a-list" "" [] [] |> renderHtmlNode
      Expect.equal theList "<select name=\"a-list\" id=\"a-list\"></select>" "Empty select list not generated correctly"
      }
    test "succeeds with all options" {
      let theList =
        [ "tom", "Tom&"
          "bob", "Bob"
          "jan", "Jan"
          ]
        |> selectList "the-list" "bob" [ _style "ugly" ]
        |> renderHtmlNode
      let expected =
        [ "<select name=\"the-list\" id=\"the-list\" style=\"ugly\">"
          "<option value=\"tom\">Tom&amp;</option>"
          "<option value=\"bob\" selected>Bob</option>"
          "<option value=\"jan\">Jan</option>"
          "</select>"
          ]
        |> String.concat ""
      Expect.equal theList expected "Filled select list not generated correctly"
      }
    ]

[<Tests>]
let spaceTests =
  testList "space" [
    test "succeeds" {
      Expect.equal (renderHtmlNode space) " " "space literal not correct"
      }
    ]


[<Tests>]
let submitTests =
  testList "submit" [
    test "succeeds" {
      let btn = submit [ _class "slick" ] "file-ico" _s.["a&b"] |> renderHtmlNode
      Expect.equal
        btn
        "<button type=\"submit\" class=\"slick\"><i class=\"material-icons\">file-ico</i> &nbsp;a&amp;b</button>"
        "Submit button not generated correctly"
      }
    ]

[<Tests>]
let tableSummaryTests =
  testList "tableSummary" [
    test "succeeds for no entries" {
      let sum = tableSummary 0 _s |> renderHtmlNode
      Expect.equal sum "<div class=\"pt-center-text\"><small>No Entries to Display</small></div>"
        "Summary for no items is incorrect"
      }
    test "succeeds for one entry" {
      let sum = tableSummary 1 _s |> renderHtmlNode
      Expect.equal sum "<div class=\"pt-center-text\"><small>Displaying 1 Entry</small></div>"
        "Summary for one item is incorrect"
      }
    test "succeeds for many entries" {
      let sum = tableSummary 5 _s |> renderHtmlNode
      Expect.equal sum "<div class=\"pt-center-text\"><small>Displaying 5 Entries</small></div>"
        "Summary for many items is incorrect"
      }
    ]

module TimeZones =
  
  open PrayerTracker.Views.CommonFunctions.TimeZones

  [<Tests>]
  let nameTests =
    testList "TimeZones.name" [
      test "succeeds for US Eastern time" {
        Expect.equal (name "America/New_York" _s |> string) "Eastern" "US Eastern time zone not returned correctly"
        }
      test "succeeds for US Central time" {
        Expect.equal (name "America/Chicago" _s |> string) "Central" "US Central time zone not returned correctly"
        }
      test "succeeds for US Mountain time" {
        Expect.equal (name "America/Denver" _s |> string) "Mountain" "US Mountain time zone not returned correctly"
        }
      test "succeeds for US Mountain (AZ) time" {
        Expect.equal (name "America/Phoenix" _s |> string) "Mountain (Arizona)"
          "US Mountain (AZ) time zone not returned correctly"
        }
      test "succeeds for US Pacific time" {
        Expect.equal (name "America/Los_Angeles" _s |> string) "Pacific" "US Pacific time zone not returned correctly"
        }
      test "succeeds for Central European time" {
        Expect.equal (name "Europe/Berlin" _s |> string) "Central European"
          "Central European time zone not returned correctly"
        }
      test "fails for unexpected time zone" {
        Expect.equal (name "Wakanda" _s |> string) "Wakanda" "Unexpected time zone should have returned the original ID"
        }
      ]