# Coach Connor's Lineup Lab

Mobile-friendly baseball coaching app for roster management, scorekeeping, pitcher rest tracking, configurable rest rules, and game-day lineup planning.

## Stack

- Next.js App Router with React and TypeScript
- MongoDB with Mongoose
- Node.js API routes

## Features

- Manage players with positions, handedness, notes, and active status
- Log pitching appearances and pitch counts by game date
- Configure pitch-count-based rest rules
- See pitcher availability as `Available`, `Needs Rest`, or `Unknown`
- Generate suggested batting orders and defensive assignments
- Manually adjust generated lineups before saving
- Placeholder auth utility for future expansion

## Setup

1. Install dependencies:

```bash
cd baseball
npm install
```

2. Create environment variables:

```bash
cp .env.example .env
```

3. Update `MONGODB_URI` in `.env` if needed.

Example:

```env
MONGODB_URI=mongodb://127.0.0.1:27017/little-league-roster
```

4. Start the app:

```bash
npm run dev
```

5. Open `http://localhost:3000`.

## Scripts

- `npm run dev` starts the development server
- `npm run build` builds the app
- `npm run start` runs the production build

## Data Models

- `Player`
- `PitchingAppearance`
- `PitchingRule`
- `Game`
- `Lineup`

## Folder Structure

```text
baseball/
  src/
    app/               Next.js pages and API routes
    components/        Reusable UI and screen components
    lib/               DB, validation, client helpers, lineup logic
    models/            Mongoose schemas
    scripts/           Seed script
```

## Notes

- No authentication is enforced yet. `src/lib/auth.ts` provides a placeholder for future auth integration.
- API routes return basic validation and server errors in a simple JSON format.
- Pitcher eligibility is based on the most recent pitching appearance and the configured rule table.