const test = require('tape')
const { createRegex, extractRangeFromMatch, createChapterVerseRangeRegex } = require('./')

function buildTestSuite() {
	const hasReferenceWithVerse = [
		{
			text: `Revelation 13:3`,
			expected: {
				book: 'Revelation',
				start: { chapter: 13, verse: 3, section: null },
				end: { chapter: 13, verse: 3, section: null },
			},
		}, {
			text: `Look it up on Genesis 3:55`,
			expected: {
				book: 'Genesis',
				start: { chapter: 3, verse: 55, section: null },
				end: { chapter: 3, verse: 55, section: null },
			},
		}, {
			text: `Test the Romans 44:559 out`,
			expected: {
				book: 'Romans',
				start: { chapter: 44, verse: 559, section: null },
				end: { chapter: 44, verse: 559, section: null },
			},
		}, {
			text: `Low in \nthe philippians 366:4 he lay`,
			expected: {
				book: 'Philippians',
				start: { chapter: 366, verse: 4, section: null },
				end: { chapter: 366, verse: 4, section: null },
			},
		}, {
			text: `An abbreviation is Ps 13:4 y'know`,
			expected: {
				book: 'Psalms',
				start: { chapter: 13, verse: 4, section: null },
				end: { chapter: 13, verse: 4, section: null },
			},
		}, {
			text: `Another abbreviation is Ps. 44:8`,
			expected: {
				book: 'Psalms',
				start: { chapter: 44, verse: 8, section: null },
				end: { chapter: 44, verse: 8, section: null },
			},
		}, {
			text: `Verse section: 1 sam 12:4b`,
			expected: {
				book: '1 Samuel',
				start: { chapter: 12, verse: 4, section: 'b' },
				end: { chapter: 12, verse: 4, section: 'b' },
			},
		}, {
			text: `Second bookname: 2nd sam 12:4b`,
			expected: {
				book: '2 Samuel',
				start: { chapter: 12, verse: 4, section: 'b' },
				end: { chapter: 12, verse: 4, section: 'b' },
			},
		},
	]

	const hasReferenceWithoutVerse = [
		{
			text: `Revelation 13`,
			expected: {
				book: 'Revelation',
				start: { chapter: 13, verse: null, section: null },
				end: { chapter: 13, verse: null, section: null },
			},
		}, {
			text: `Look it up on Genesis 3: book`,
			expected: {
				book: 'Genesis',
				start: { chapter: 3, verse: null, section: null },
				end: { chapter: 3, verse: null, section: null },
			},
		}, {
			text: `Test the Romans 44 out`,
			expected: {
				book: 'Romans',
				start: { chapter: 44, verse: null, section: null },
				end: { chapter: 44, verse: null, section: null },
			},
		}, {
			text: `Low in \nthe philippians 366 he lay`,
			expected: {
				book: 'Philippians',
				start: { chapter: 366, verse: null, section: null },
				end: { chapter: 366, verse: null, section: null },
			},
		}, {
			text: `An abbreviation is Ps 13 y'know`,
			expected: {
				book: 'Psalms',
				start: { chapter: 13, verse: null, section: null },
				end: { chapter: 13, verse: null, section: null },
			},
		}, {
			text: `Another abbreviation is Ps. 44`,
			expected: {
				book: 'Psalms',
				start: { chapter: 44, verse: null, section: null },
				end: { chapter: 44, verse: null, section: null },
			},
		},
	]

	const hasRangeWithVerse = [
		{
			text: `Revelation 13:3-14:4`,
			expected: {
				book: 'Revelation',
				start: { chapter: 13, verse: 3, section: null },
				end: { chapter: 14, verse: 4, section: null },
			},
		}, {
			text: `Look it up on Genesis 3:55-23:44`,
			expected: {
				book: 'Genesis',
				start: { chapter: 3, verse: 55, section: null },
				end: { chapter: 23, verse: 44, section: null },
			},
		}, {
			text: `Test the Romans 44:559-1:1 out`,
			expected: {
				book: 'Romans',
				start: { chapter: 44, verse: 559, section: null },
				end: { chapter: 1, verse: 1, section: null },
			},
		}, {
			text: `Low in \nthe philippians 366:4-12:12 he lay`,
			expected: {
				book: 'Philippians',
				start: { chapter: 366, verse: 4, section: null },
				end: { chapter: 12, verse: 12, section: null },
			},
		}, {
			text: `An abbreviation is Ps 13:4-19:19 y'know`,
			expected: {
				book: 'Psalms',
				start: { chapter: 13, verse: 4, section: null },
				end: { chapter: 19, verse: 19, section: null },
			},
		}, {
			text: `Another abbreviation is Ps. 44:8-3:3`,
			expected: {
				book: 'Psalms',
				start: { chapter: 44, verse: 8, section: null },
				end: { chapter: 3, verse: 3, section: null },
			},
		}, {
			text: `Verse section: 1 sam 12:4b-13:5a`,
			expected: {
				book: '1 Samuel',
				start: { chapter: 12, verse: 4, section: 'b' },
				end: { chapter: 13, verse: 5, section: 'a' },
			},
		},

		{
			text: `Revelation 13:3-4`,
			expected: {
				book: 'Revelation',
				start: { chapter: 13, verse: 3, section: null },
				end: { chapter: 13, verse: 4, section: null },
			},
		}, {
			text: `Look it up on Genesis 3:55-44`,
			expected: {
				book: 'Genesis',
				start: { chapter: 3, verse: 55, section: null },
				end: { chapter: 3, verse: 44, section: null },
			},
		}, {
			text: `Test the Romans 44:559-1 out`,
			expected: {
				book: 'Romans',
				start: { chapter: 44, verse: 559, section: null },
				end: { chapter: 44, verse: 1, section: null },
			},
		}, {
			text: `Low in \nthe philippians 366:4-12 he lay`,
			expected: {
				book: 'Philippians',
				start: { chapter: 366, verse: 4, section: null },
				end: { chapter: 366, verse: 12, section: null },
			},
		}, {
			text: `An abbreviation is Ps 13:4-19 y'know`,
			expected: {
				book: 'Psalms',
				start: { chapter: 13, verse: 4, section: null },
				end: { chapter: 13, verse: 19, section: null },
			},
		}, {
			text: `Another abbreviation is Ps. 44:8-3`,
			expected: {
				book: 'Psalms',
				start: { chapter: 44, verse: 8, section: null },
				end: { chapter: 44, verse: 3, section: null },
			},
		}, {
			text: `Verse section: 1 sam 12:4b-5a`,
			expected: {
				book: '1 Samuel',
				start: { chapter: 12, verse: 4, section: 'b' },
				end: { chapter: 12, verse: 5, section: 'a' },
			},
		},

		{
			text: `Verse section: 1 sam 12:4b-a`,
			expected: {
				book: '1 Samuel',
				start: { chapter: 12, verse: 4, section: 'b' },
				end: { chapter: 12, verse: 4, section: 'a' },
			},
		},
	]

	const hasRangeWithoutVerse = [
		{
			text: `Revelation 13-14`,
			expected: {
				book: 'Revelation',
				start: { chapter: 13, verse: null, section: null },
				end: { chapter: 14, verse: null, section: null },
			},
		}, {
			text: `Look it up on Genesis 3-99 book`,
			expected: {
				book: 'Genesis',
				start: { chapter: 3, verse: null, section: null },
				end: { chapter: 99, verse: null, section: null },
			},
		}, {
			text: `Test the Romans 44-45 out`,
			expected: {
				book: 'Romans',
				start: { chapter: 44, verse: null, section: null },
				end: { chapter: 45, verse: null, section: null },
			},
		}, {
			text: `Low in \nthe philippians 366-78 he lay`,
			expected: {
				book: 'Philippians',
				start: { chapter: 366, verse: null, section: null },
				end: { chapter: 78, verse: null, section: null },
			},
		}, {
			text: `An abbreviation is Ps 13-18 y'know`,
			expected: {
				book: 'Psalms',
				start: { chapter: 13, verse: null, section: null },
				end: { chapter: 18, verse: null, section: null },
			},
		}, {
			text: `Another abbreviation is Ps. 44-49`,
			expected: {
				book: 'Psalms',
				start: { chapter: 44, verse: null, section: null },
				end: { chapter: 49, verse: null, section: null },
			},
		},
	]

	const hasNoReference = [
		{
			text: `Pumpkin pie`,
			expected: null,
		}, {
			text: `Test the Romans out`,
			expected: null,
		}, {
			text: `Low in \nthe philharmonic 366:4 he lay`,
			expected: null,
		}, {
			text: `An abbreviation is Ps y'know 44:8`,
			expected: null,
		},
	]

	const hasVerse = [ ...hasReferenceWithVerse, ...hasRangeWithVerse ]
	const hasNoVerse = [ ...hasNoReference, ...hasReferenceWithoutVerse, ...hasRangeWithoutVerse ]
	const hasAnyReferenceOrRange = [ ...hasReferenceWithVerse, ...hasReferenceWithoutVerse, ...hasRangeWithVerse, ...hasRangeWithoutVerse ]

	const tests = [
		{ options: { requireVerse: true }, shouldMatch: hasVerse, shouldNotMatch: hasNoVerse },
		{ options: { requireVerse: false }, shouldMatch: hasAnyReferenceOrRange, shouldNotMatch: hasNoReference  },
	]

	return function runAllTests(description, testCaseTester) {
		test(description, t => {
			tests.forEach(({ options, shouldMatch, shouldNotMatch }) => {
				t.test(`Testing options: ${JSON.stringify(options)}`, t => {
					const regex = createRegex(options)
					testCaseTester({ t, expectedToFindMatch: true, regex, cases: shouldMatch, options })
					testCaseTester({ t, expectedToFindMatch: false, regex, cases: shouldNotMatch, options })
					t.end()
				})
			})

			t.end()
		})
	}
}

const runAllTests = buildTestSuite()

runAllTests('Matches', ({ t, expectedToFindMatch, regex, cases }) => {
	const expectation = expectedToFindMatch ? 'Should' : 'Should not'
	cases.forEach(({ text }) => {
		t.equal(regex.test(text), expectedToFindMatch, `${expectation} match '${text}'`)
	})
})

runAllTests('Capturing', ({ t, expectedToFindMatch, regex, cases }) => {
	cases.forEach(({ text, expected }) => {
		const match = text.match(regex)

		if (expectedToFindMatch) {
			const output = extractRangeFromMatch(match)

			t.equal(output.book, expected.book, `Find book name in '${text}'`)
			t.deepEqual(output.start, expected.start, `Find range start in '${text}'`)
			t.deepEqual(output.end, expected.end, `Find range end in '${text}'`)
		} else {
			t.equal(match, null, `No match found in ${text}`)
		}
	})
})

test('Allow passing in custom book data structures', t => {
	const books = [
		{ name: 'Bob', aliases: [] },
	]
	const regex = createRegex({ requireVerse: true, books })

	const noMatchText = `something something Genesis 10:10 something`
	t.notOk(noMatchText.match(regex))

	const text = `Tell me more about Bob 17:3 wouldja?  Not  though`
	const match = text.match(regex)
	t.ok(match)

	const output = extractRangeFromMatch(match, books)
	t.equal(output.book, 'Bob')
	t.deepEqual(output.start, { chapter: 17, verse: 3, section: null })
	t.deepEqual(output.end, { chapter: 17, verse: 3, section: null })

	t.end()
})


test('Basic test for chapter-verse-range API', t => {
	const chapterVerseRegex = createChapterVerseRangeRegex()

	const chapterVerseMatch = `Tell me about 12:30-14:1a y'all`.match(chapterVerseRegex)

	const output = extractRangeFromMatch.chapterVerseRange(chapterVerseMatch)
	const expected = {
		book: null,
		start: { chapter: 12, verse: 30, section: null },
		end: { chapter: 14, verse: 1, section: 'a' },
	}
	t.deepEqual(output, expected)

	t.end()
})