# tipstr/mobsyspraktikuma3 architecture

> Architecture diagram of the GitHub repository tipstr/mobsyspraktikuma3, generated by GitDiagram from its file tree, README and a sample of source files (last updated 2026-09-27). It is an AI-made overview: check details against the source.

- Interactive diagram: https://gitdiagram.com/tipstr/mobsyspraktikuma3
- Repository: https://github.com/tipstr/mobsyspraktikuma3

## Overview

This is a small Firebase-backed web chat with email/password registration and login, logout, message submission, and live message display. The user interacts with the page; scripts/index.js handles those actions, delegates authentication and message writes to scripts/firebaseMethods.js, and subscribes to Firestore updates for the message list. scripts/app.js initializes the Firebase clients. The HTML and Firebase configuration files are present, but their contents were not sampled, so their details are not inferred.

Main entry points: [`scripts/index.js`](https://github.com/tipstr/mobsyspraktikuma3/blob/main/scripts/index.js) (UI handlers), [`scripts/app.js`](https://github.com/tipstr/mobsyspraktikuma3/blob/main/scripts/app.js) (Firebase setup), [`scripts/firebaseMethods.js`](https://github.com/tipstr/mobsyspraktikuma3/blob/main/scripts/firebaseMethods.js) (Auth and messaging), [`index.html`](https://github.com/tipstr/mobsyspraktikuma3/blob/main/index.html) (Page elements)

## Diagram (Mermaid)

```mermaid
flowchart TD

subgraph group_ui["Web interface"]
  node_page["Page elements<br/>[index.html]"]
end

subgraph group_logic["Application logic"]
  node_entry["UI handlers<br/>[index.js]"]
  node_methods["Auth and messaging<br/>[firebaseMethods.js]"]
end

subgraph group_services["Firebase services"]
  node_init["Firebase setup<br/>[app.js]"]
end

node_user(("User"))
node_auth["Firebase Auth"]
node_store[("Cloud Firestore")]
node_performance["Firebase Performance"]
node_analytics["Firebase Analytics"]

node_user -->|"uses"| node_page
node_page -->|"events"| node_entry
node_entry -->|"calls auth and send"| node_methods
node_entry -->|"subscribes to messages"| node_store
node_store -->|"streams snapshots"| node_entry
node_entry -->|"renders messages"| node_page
node_methods -->|"uses clients"| node_init
node_entry -->|"uses database"| node_init
node_init -->|"initializes"| node_auth
node_init -->|"initializes"| node_store
node_init -.->|"initializes"| node_performance
node_init -.->|"initializes"| node_analytics
node_methods -->|"registers, signs in, out"| node_auth
node_methods -->|"writes messages"| node_store

click node_page "https://github.com/tipstr/mobsyspraktikuma3/blob/main/index.html"
click node_entry "https://github.com/tipstr/mobsyspraktikuma3/blob/main/scripts/index.js"
click node_methods "https://github.com/tipstr/mobsyspraktikuma3/blob/main/scripts/firebaseMethods.js"
click node_init "https://github.com/tipstr/mobsyspraktikuma3/blob/main/scripts/app.js"

classDef toneNeutral fill:#f8fafc,stroke:#334155,stroke-width:1.5px,color:#0f172a
classDef toneBlue fill:#dbeafe,stroke:#2563eb,stroke-width:1.5px,color:#172554
classDef toneAmber fill:#fef3c7,stroke:#d97706,stroke-width:1.5px,color:#78350f
classDef toneMint fill:#dcfce7,stroke:#16a34a,stroke-width:1.5px,color:#14532d
classDef toneRose fill:#ffe4e6,stroke:#e11d48,stroke-width:1.5px,color:#881337
classDef toneIndigo fill:#e0e7ff,stroke:#4f46e5,stroke-width:1.5px,color:#312e81
classDef toneTeal fill:#ccfbf1,stroke:#0f766e,stroke-width:1.5px,color:#134e4a
class node_page,node_user toneBlue
class node_entry,node_methods,node_store toneAmber
class node_init toneMint
class node_auth,node_performance,node_analytics toneIndigo
```

## Components

### Web interface

- [Page elements](https://github.com/tipstr/mobsyspraktikuma3/blob/main/index.html): `index.html`

### Application logic

- [UI handlers](https://github.com/tipstr/mobsyspraktikuma3/blob/main/scripts/index.js): `scripts/index.js`
- [Auth and messaging](https://github.com/tipstr/mobsyspraktikuma3/blob/main/scripts/firebaseMethods.js): `scripts/firebaseMethods.js`

### Firebase services

- [Firebase setup](https://github.com/tipstr/mobsyspraktikuma3/blob/main/scripts/app.js): `scripts/app.js`

### Other components

- **User**
- **Firebase Auth**
- **Cloud Firestore**
- **Firebase Performance**
- **Firebase Analytics**

## Connections

- User → Page elements: uses
- Page elements → UI handlers: events
- UI handlers → Auth and messaging: calls auth and send
- UI handlers → Cloud Firestore: subscribes to messages
- Cloud Firestore → UI handlers: streams snapshots
- UI handlers → Page elements: renders messages
- Auth and messaging → Firebase setup: uses clients
- UI handlers → Firebase setup: uses database
- Firebase setup → Firebase Auth: initializes
- Firebase setup → Cloud Firestore: initializes
- Firebase setup → Firebase Performance: initializes
- Firebase setup → Firebase Analytics: initializes
- Auth and messaging → Firebase Auth: registers, signs in, out
- Auth and messaging → Cloud Firestore: writes messages