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https://github.com/tiennm99/loto.git
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tiennm99
e23ddcc7bc
`app/` should hold route segments only. Game logic and the player-card component are imported by both routes, so they belong outside: app/loto-game-logic.ts -> lib/game-logic.ts app/loto-player-board.tsx -> components/player-board.tsx Imports use the existing @/* alias. Drops the redundant `loto-` prefix. Also fixes the package name from the scaffold default.
76 lines
3.1 KiB
Markdown
76 lines
3.1 KiB
Markdown
# Codebase Summary
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## File Organization
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### Routing & Layout
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| File | Purpose |
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|------|---------|
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| `app/layout.tsx` | Root HTML layout. Sets Vietnamese lang, imports Geist font, applies global flex layout. |
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| `app/page.tsx` | Player page (`/`). Instructions toggle, PlayerBoard component, indigo gradient branding. |
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| `app/master/page.tsx` | Host page (`/master`). Controls (new game, draw number), 9×10 master board, host's player card. |
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### Shared Components
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| File | Purpose |
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|------|---------|
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| `components/player-board.tsx` | Reusable player card (9×9 grid). Handles crossed state, bingo popup, "Chờ X" toast. Accepts `storagePrefix` prop for multi-card isolation. |
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### Game Logic
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| File | Purpose |
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|------|---------|
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| `lib/game-logic.ts` | Stateless utilities: generateGrid (weighted column selection), saveGrid, loadGrid, saveCrossedState, loadCrossedState, isRowComplete, getWaitingNumber. |
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### Styling
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| File | Purpose |
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|------|---------|
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| `app/globals.css` | Root styles: Tailwind @import, CSS variables (light/dark), `.loto-grid` & `.master-grid` (9-col), animations (fade-in, pop-in, bounce-slow, spin-slow, toast), `.cell-crossed` diagonal. |
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### Configuration
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| File | Purpose |
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|------|---------|
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| `next.config.ts` | Dual basePath: prod `/loto`, codeserver `/absproxy/{PORT}`. Exports static HTML. HMR-aware. |
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| `package.json` | Next 16.2.2, React 19.2.4, Tailwind 4. Scripts: dev, dev:codeserver, build, start, lint. |
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| `eslint.config.mjs` | ESLint 9 config (Next.js preset). |
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| `.gitignore` | Excludes node_modules, .next, .env.local, etc. |
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| `.env.example` | Template for env vars (currently none required for runtime; codeserver profile reads CODESERVER_HOST/PORT). |
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## Key Data Structures
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**Grid**: 9×9 2D array of numbers (1–90). Empty cells are 0.
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**Crossed**: 9×9 2D array of booleans indicating marked cells.
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**Master State**: `{ called: number[], remaining: number[] }` — drawn and undrawn numbers.
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## Storage Keys (localStorage)
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| Key | Use Case |
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|-----|----------|
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| `loto_grid` | Player's card numbers. |
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| `loto_crossed` | Player's marked cells. |
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| `loto_master` | Host's drawn/remaining numbers. |
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| `loto_master_card_grid` | Host's player card numbers. |
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| `loto_master_card_crossed` | Host's marked cells. |
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## Component Hierarchy
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```
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RootLayout
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├── HomePage (/)
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│ ├── Instructions toggle
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│ └── PlayerBoard (storagePrefix="loto")
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└── MasterPage (/master)
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├── Controls (new game, draw)
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├── Master board (9×10)
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└── PlayerBoard (storagePrefix="loto_master_card")
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```
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## Key Functions
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| Function | Location | Effect |
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|----------|----------|--------|
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| `generateGrid()` | game-logic.ts:52 | Creates 9×9 with weighted column selection (5 nums/row). |
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| `isRowComplete()` | game-logic.ts:108 | Boolean: all non-zero cells in row crossed? |
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| `getWaitingNumber()` | game-logic.ts:120 | Returns the single uncrossed number in row, or null. |
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| `handleCellClick()` | player-board.tsx:112 | Toggle crossed[row][col]. |
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| `handleDrawNext()` | master/page.tsx:88 | Pop first number from remaining, add to called. |
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Last reviewed: 2026-04-26
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