# maraphon-app

Sports betting odds analyzer for [marathonbet.by](https://www.marathonbet.by).

Scrapes pre-match (`/su`) and live (`/su/live`) sports events, tracks coefficient changes
over time, and detects anomalies — in particular the "odds-flip" pattern where the
bookmaker freezes betting and then inverts underdog/favorite odds.

## Tech stack

- **.NET 8** + C# 12
- **Blazor Hybrid** — WPF shell hosting `BlazorWebView` (designed to migrate to ASP.NET
  Core Blazor Server with no UI rewrite)
- **EF Core + SQLite** (WAL mode) for local storage
- **ClosedXML** for Excel export
- **AngleSharp** for HTML scraping (with **Playwright** fallback for JS-rendered pages)
- **Polly v8** for retry / circuit breaker / rate limiting
- **MudBlazor** UI components, **Plotly.Blazor** for charts
- **Serilog** structured logging
- **xUnit / FluentAssertions / NSubstitute** for tests

## Project layout

```
src/
  Marathon.Domain/         entities, value objects, no dependencies
  Marathon.Application/    use cases, abstractions (IOddsScraper, IRepository, ...)
  Marathon.Infrastructure/ EF Core, scraping, Polly, Excel, Playwright
  Marathon.UI/             Razor Class Library — all Blazor components live here
  Marathon.Hosts.WpfBlazor/ WPF + BlazorWebView host (replaceable for web)
tests/
  Marathon.*.Tests/        unit + integration tests per layer
```

## Build & run

```pwsh
dotnet build Marathon.sln
dotnet test  Marathon.sln
dotnet run   --project src/Marathon.Hosts.WpfBlazor
```

## Configuration

All variable parameters (polling intervals, concurrency, user-agents, retry policy,
snapshot retention, locale) are exposed via `appsettings.json` and live-editable via
the in-app **Settings** page.

## Status

🟡 In active development. See [`plans/initial-implementation/PLAN.md`](plans/initial-implementation/PLAN.md)
for the current phase plan and progress.

## License

Private — customer project.