# Database Schema

## Table: logs
- timestamp: TEXT
- hostname: TEXT
- ip_address: TEXT
- message: TEXT

## Table: boards
- hostname: TEXT PRIMARY KEY
- ip_address: TEXT
- input1: TEXT
- input2: TEXT
- input3: TEXT
- input4: TEXT
- relay1: TEXT
- relay2: TEXT
- relay3: TEXT
- relay4: TEXT

## Table: mir_server_missions
- ip: TEXT
- authorization: TEXT
- username: TEXT
- password: TEXT
- mission_id: TEXT

## Table: requested_missions
- state: TEXT
- start_time: TEXT
- mission: TEXT
- mission_name: TEXT
- robot_id: INTEGER
- id: INTEGER PRIMARY KEY

# Explanation of Functions in app.py

## Function: init_db
- Initializes the SQLite database.
- Creates four tables: logs, boards, mir_server_missions, and requested_missions.
- The logs table stores log entries with timestamp, hostname, IP address, and message.
- The boards table stores the status of each board with hostname, IP address, and status of inputs and relays.
- The mir_server_missions table stores the information required to create a JSON post for a mission.
- The requested_missions table stores the response data from the mission post request.

## Function: log
- Endpoint: /log
- Method: POST
- Receives log messages from the ESP board.
- Extracts hostname, IP address, and message from the JSON payload.
- Prints the hostname, IP address, and message.
- Updates the status of inputs and relays based on the message.
- Records the log in the logs table.
- Updates the board status in the boards table.
- Triggers the post_mission function if input1 is turned on.

## Function: control
- Endpoint: /control
- Method: POST
- Receives control commands to update the status of relays.
- Extracts the relay status from the JSON payload.
- Prints the new relay status.
- Updates the status of the relays.

## Function: post_mission
- Sends a mission post request to the MIR server.
- Retrieves the IP, authorization, username, and password from the mir_server_missions table.
- Formats the headers and sends a POST request to the mission scheduler endpoint.
- Prints the result of the mission post request.
- Stores the response data in the requested_missions table.