package diyanet

import (
	"context"
	"strings"
	"testing"
	"time"

	"github.com/PuerkitoBio/goquery"
	"github.com/stretchr/testify/assert"

	"prayertimes/internal/scrapeutils"
	"prayertimes/pkg/prayer"
)

type mockFetcher string

func (f mockFetcher) Fetch(_ context.Context, _ string) (*goquery.Document, error) {
	return goquery.NewDocumentFromReader(strings.NewReader(string(f)))
}

const mockHtml = `
<div id='tab-1'>
    <div class='table-responsive'>
        <table class='table vakit-table'>
            <caption>Monthly Prayer Times for Some Location</caption>
            <thead>
            <tr>
                <th>Gregorian Calendar Date</th>
                <th>Fajr</th>
                <th>Sun</th>
                <th>Dhuhr</th>
                <th>Asr</th>
                <th>Maghrib</th>
                <th>Isha</th>
            </tr>
            </thead>
            <tbody>
            <tr>
                <td>04.03.2023</td>
                <td>05:48</td>
                <td>07:11</td>
                <td>13:05</td>
                <td>16:15</td>
                <td>18:49</td>
                <td>20:06</td>
            </tr>
            <tr>
                <td>05.03.2023</td>
                <td>05:46</td>
                <td>07:09</td>
                <td>13:04</td>
                <td>16:15</td>
                <td>18:50</td>
                <td>20:07</td>
            </tr>
            </tbody>
        </table>
    </div>
</div>
`

func TestDiyanet_Get(t *testing.T) {
	t.Run("validates location", func(t *testing.T) {
		d := Diyanet{}
		_, err := d.Get(context.Background(), " not numeric ")
		assert.ErrorIs(t, err, prayer.ErrInvalidLocation)
	})

	t.Run("extracts prayer times", func(t *testing.T) {
		d := Diyanet{
			FetcherFunc: mockFetcher(mockHtml).Fetch,
		}
		actual, err := d.Get(context.Background(), "1234")
		assert.NoError(t, err)

		expected := []prayer.Times{
			{
				Date:    time.Date(2023, time.March, 4, 0, 0, 0, 0, time.UTC),
				Fajr:    "05:48",
				Sunrise: "07:11",
				Dhuhr:   "13:05",
				Asr:     "16:15",
				Maghrib: "18:49",
				Isha:    "20:06",
			},
			{
				Date:    time.Date(2023, time.March, 5, 0, 0, 0, 0, time.UTC),
				Fajr:    "05:46",
				Sunrise: "07:09",
				Dhuhr:   "13:04",
				Asr:     "16:15",
				Maghrib: "18:50",
				Isha:    "20:07",
			},
		}
		assert.Equal(t, expected, actual)
	})

	t.Run("real endpoint", func(t *testing.T) {
		if testing.Short() {
			t.Skip()
		}

		d := Diyanet{
			FetcherFunc: scrapeutils.GetParsed,
		}
		times, err := d.Get(context.Background(), "9205")
		assert.NoError(t, err)
		assert.Greater(t, len(times), 1)
		assert.NotZero(t, times[0].Date)
	})
}