特獎：85941329
頭獎：07225810、20231230、83518781
]]>特獎：32220522
頭獎：21677046、44662410、31262513
增開六獎：985、951
]]>特獎：85941329
', ''); + const periods = parseInvoiceXml(broken); + expect(periods).toHaveLength(1); + expect(periods[0].period).toBe('115年 01~02月'); + }); + + it('垃圾輸入回空陣列', () => { + expect(parseInvoiceXml('not xml at all')).toEqual([]); + expect(parseInvoiceXml('')).toEqual([]); + }); +}); + +const W: WinningNumbers = { + period: '115年 01~02月', + link: '', + special: '87510041', + grand: '32220522', + first: ['21677046', '44662410', '31262513'], + sixth: ['985', '951'], +}; + +describe('checkInvoice（完整 8 碼）', () => { + it('特別獎：8 碼全中 1,000 萬', () => { + expect(checkInvoice('87510041', W)).toEqual({ level: 'special', amount: 10_000_000, matched: '87510041', confirmed: true, upgradable: false }); + }); + + it('特獎：8 碼全中 200 萬', () => { + expect(checkInvoice('32220522', W)).toMatchObject({ level: 'grand', amount: 2_000_000 }); + }); + + it('頭獎全中 20 萬；末 7～3 碼對應二獎到六獎', () => { + expect(checkInvoice('21677046', W)).toMatchObject({ level: 'first', amount: 200_000 }); + expect(checkInvoice('91677046', W)).toMatchObject({ level: 'second', amount: 40_000 }); + expect(checkInvoice('99677046', W)).toMatchObject({ level: 'third', amount: 10_000 }); + expect(checkInvoice('99977046', W)).toMatchObject({ level: 'fourth', amount: 4_000 }); + expect(checkInvoice('99997046', W)).toMatchObject({ level: 'fifth', amount: 1_000 }); + expect(checkInvoice('99999046', W)).toMatchObject({ level: 'sixth', amount: 200 }); + }); + + it('增開六獎：末 3 碼相同 200 元', () => { + expect(checkInvoice('12345985', W)).toMatchObject({ level: 'addSixth', amount: 200 }); + }); + + it('特別獎末碼近似但非全中不算獎（特別獎只比全 8 碼）', () => { + // 末 7 碼與特別獎相同、與頭獎無關 → 沒中 + expect(checkInvoice('97510041', W)).toBeNull(); + }); + + it('多重命中取最高獎金', () => { + // 同時是頭獎末4（五獎）與增開六獎? 構造：末3=985 且末4 對中頭獎末4 —— 取五獎 1000 + const w2: WinningNumbers = { ...W, first: ['11112985'], sixth: ['985'] }; + expect(checkInvoice('99992985', w2)).toMatchObject({ level: 'fifth', amount: 1_000 }); + }); + + it('沒中回 null', () => { + expect(checkInvoice('00000000', W)).toBeNull(); + }); +}); + +describe('checkInvoice（末 3～7 碼快速對獎）', () => { + it('末 3 碼對中頭獎末 3 → 至少六獎已確定，且可能升級', () => { + const hit = checkInvoice('046', W)!; + expect(hit).toMatchObject({ level: 'sixth', amount: 200, confirmed: true }); + expect(hit.upgradable).toBe(true); // 補完 8 碼可能是二獎以上 + }); + + it('末 3 碼對中增開六獎 → 200 元確定，不會再升級', () => { + const hit = checkInvoice('951', W)!; + expect(hit).toMatchObject({ level: 'addSixth', amount: 200, confirmed: true }); + expect(hit.upgradable).toBe(false); + }); + + it('末 3 碼只對中特別獎末 3 → 未確定（特別獎要全 8 碼），confirmed false', () => { + const hit = checkInvoice('041', W)!; + expect(hit.confirmed).toBe(false); + expect(hit.level).toBe('special'); + }); + + it('末 3 碼什麼都沒對中 → null（可以確定沒中，不用再輸入）', () => { + expect(checkInvoice('000', W)).toBeNull(); + }); + + it('末 5 碼對中頭獎末 5 → 四獎確定、可能再升級', () => { + expect(checkInvoice('77046', W)).toMatchObject({ level: 'fourth', amount: 4_000, confirmed: true, upgradable: true }); + expect(checkInvoice('62513', W)).toMatchObject({ level: 'fourth', amount: 4_000, confirmed: true }); + }); + + it('少於 3 碼或含非數字 → null（無效輸入）', () => { + expect(checkInvoice('04', W)).toBeNull(); + expect(checkInvoice('abc46', W)).toBeNull(); + expect(checkInvoice('', W)).toBeNull(); + }); +}); + +describe('PRIZE_AMOUNT', () => { + it('獎金表符合財政部公告', () => { + expect(PRIZE_AMOUNT.special).toBe(10_000_000); + expect(PRIZE_AMOUNT.grand).toBe(2_000_000); + expect(PRIZE_AMOUNT.first).toBe(200_000); + expect(PRIZE_AMOUNT.sixth).toBe(200); + expect(PRIZE_AMOUNT.addSixth).toBe(200); + }); +}); diff --git a/src/lib/invoice.ts b/src/lib/invoice.ts new file mode 100644 index 0000000..04676e6 --- /dev/null +++ b/src/lib/invoice.ts @@ -0,0 +1,115 @@ +// 統一發票對獎：財政部 invoice.xml 解析與對獎規則。純函式， +// 由 api/invoice-numbers.ts（解析）與 InvoiceLottery 島（對獎）共用。 +// 號碼一律以字串處理，前導零不能掉（例：特獎 00507588）。 + +export interface WinningNumbers { + period: string; // 期別，如「115年 03~04月」 + link: string; // 財政部該期公告頁 + special: string; // 特別獎（8 碼，全中 1,000 萬） + grand: string; // 特獎（8 碼，全中 200 萬） + first: string[]; // 頭獎（8 碼三組；末 7～3 碼對應二獎～六獎） + sixth: string[]; // 增開六獎（3 碼，可能沒開） +} + +export type PrizeLevel = 'special' | 'grand' | 'first' | 'second' | 'third' | 'fourth' | 'fifth' | 'sixth' | 'addSixth'; + +export const PRIZE_AMOUNT: Record{t.tooShort}
; + const hit = checkInvoice(digits, w); + if (!hit) { + return ( ++ {digits.length < 8 ? t.noneShort(digits.length) : t.noneFull} +
+ ); + } + const name = t.levelNames[hit.level]; + if (!hit.confirmed) { + return{t.maybe(name)}
; + } + return ( +{t.win(name, hit.amount.toLocaleString())}
+{t.winMatched(hit.matched)}
+ {hit.upgradable &&{t.upgradeHint}
} +{t.loadError}
+ +{t.loading}
; + + const w = periods[Math.min(periodIdx, periods.length - 1)]; + + return ( +{t.rules}
+{t.privacy}
+