{-# LANGUAGE QuasiQuotes #-}

module Main where

import Control.Exception
import Data.Either
import Data.Time qualified
import Debug.Trace (trace, traceShow)
import System.Exit qualified as Exit
import Test.HUnit
import Text.RawString.QQ (r)
import Track qualified

preamble =
  [r|
<?xml version="1.0" encoding="UTF-8"?>
<gpx
version="1.1"
creator="OpenTracks"
xmlns="http://www.topografix.com/GPX/1/1"
xmlns:topografix="http://www.topografix.com/GPX/Private/TopoGrafix/0/1"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:opentracks="http://opentracksapp.com/xmlschemas/v1"
xmlns:gpxtpx="http://www.garmin.com/xmlschemas/TrackPointExtension/v2"
xmlns:gpxtrkx="http://www.garmin.com/xmlschemas/TrackStatsExtension/v1"
xmlns:cluetrust="http://www.cluetrust.com/Schemas/"
xmlns:pwr="http://www.garmin.com/xmlschemas/PowerExtension/v1"
xsi:schemaLocation="http://www.topografix.com/GPX/1/1 http://www.topografix.com/GPX/1/1/gpx.xsd http://www.topografix.com/GPX/Private/TopoGrafix/0/1 http://www.topografix.com/GPX/Private/TopoGrafix/0/1/topografix.xsd http://www.garmin.com/xmlschemas/TrackPointExtension/v2 https://www8.garmin.com/xmlschemas/TrackPointExtensionv2.xsd http://www.garmin.com/xmlschemas/PowerExtension/v1 https://www8.garmin.com/xmlschemas/PowerExtensionv1.xsd http://www.garmin.com/xmlschemas/TrackStatsExtension/v1 http://www.cluetrust.com/Schemas http://www.cluetrust.com/Schemas/gpxdata10.xsd http://opentracksapp.com/xmlschemas/v1 http://opentracksapp.com/xmlschemas/OpenTracks_v1.xsd">
|]

wrap x = preamble ++ x ++ "</gpx>"

onepoint =
  wrap
    [r|
<trk> <trkseg>
<trkpt lat="51" lon="-0.1"> </trkpt>
</trkseg> </trk>
|]

onepointWithAttrs =
  wrap
    [r|
<trk>
 <trkseg>
  <trkpt lat="51" lon="-0.1">
   <ele>25.2</ele>
   <time>2024-10-23T08:34:59.779+01:00</time>
   <extensions><gpxtpx:TrackPointExtension>
    <gpxtpx:speed>2.4</gpxtpx:speed>
    <gpxtpx:cad>128</gpxtpx:cad>
    <pwr:PowerInWatts>55</pwr:PowerInWatts>
    <opentracks:accuracy_horizontal>3.216</opentracks:accuracy_horizontal><opentracks:distance>10.675</opentracks:distance>
    <cluetrust:distance>32.025</cluetrust:distance>
    </gpxtpx:TrackPointExtension>
   </extensions>
  </trkpt>
 </trkseg>
</trk>
|]

test1 =
  TestCase $
    either
      (assertFailure . displayException)
      ( assertEqual
          "empty track has no elements"
          0
          . Track.length
      )
      (Track.parse (wrap ""))

testMalformed =
  TestCase $
    let trk = Track.parse (wrap "<dgdsfg>>")
     in assertBool "catches syntax error" (isLeft trk)

test2 =
  TestCase $
    either
      (assertFailure . displayException)
      ( \(p : _) ->
          assertEqual
            "matches lat/lon"
            (Track.Pos 51.0 (-0.1))
            (Track.pos p)
      )
      (Track.parse onepoint)

test3 =
  TestCase $
    either
      (assertFailure . displayException)
      ( \(p : _) ->
          assertEqual
            "handles missing attributes"
            (Nothing, Nothing)
            (Track.elevation p, Track.cadence p)
      )
      (Track.parse onepoint)

test4 =
  TestCase $
    either
      (assertFailure . displayException)
      ( \(p : _) ->
          assertEqual
            "handles attributes"
            (Just 25.2, Just 128, Just 55, Data.Time.UTCTime (toEnum 60606) 27299.779)
            (Track.elevation p, Track.cadence p, Track.power p, Track.time p)
      )
      (Track.parse onepointWithAttrs)

tests :: Test
tests =
  TestList
    [ test1,
      testMalformed,
      test2,
      test3,
      test4
    ]

main :: IO ()
main = do
  result <- runTestTT tests
  if (failures result > 0) || (errors result > 0)
    then Exit.exitFailure
    else Exit.exitSuccess