map-dots/run/cli.go

package run

import (
	"fmt"
	"image"
	"os"

	"git.fjla.uk/fred.boniface/map-dots/imaging"
	"git.fjla.uk/fred.boniface/map-dots/log"
)

func CLI(height, width uint64, style, format, input string) {
	log.Msg.Info("CLI Mode Started")
	fmt.Printf("Running CLI mode with height=%d, width=%d, type=%s, input=%s\n", height, width, style, input)
	fmt.Println("CLI Mode not implemented")

	if input == "traccar" {
		envCheck()
		// Use traccar package to fetch data
		// Pass fetched data to imageing package
	}

	// Check that `input` is a valid filepath and points to a valid file.
	// Use relevent package to parse file
	// Pass parsed data to imaging package
	var testing []string
	var _ image.Image = imaging.Generate(1, 1, "circle", "png", testing)
	fmt.Println("End of implementation")
}

func HelpText() {
	extendedHelp := `
map-dots - Transform location data into artistic heat-map style images

Usage:
  map-dots [--server] [--height=HEIGHT] [--width=WIDTH] [--style=STYLE] [--format=FORMAT] [--input=INPUT] [--id=ID]

Options:
  --server        Run in server mode
  --height=HEIGHT Output image height
  --width=WIDTH   Output image width
  --style=STYLE   Output image style
  --format=FORMAT Output image format
  --input=INPUT   Input source
  --id=ID		  Traccar device ID

More detailed help information:
  -- server (Omit to run in CLI Mode):
		Runs a web API on localhost:8198
		Note that there is no authentication built in and the service could expose
		personal location data if access is allowed from the internet.

  -- height (Only in CLI Mode): DEFAULT: 1080
		The height of the output image in pixels (Max: 7680)

  -- width (Only in CLI Mode): DEFAULT: 1920
		The width of the output image in pixels (Max: 4320)

  -- style (Only in CLI Mode): DEFAULT: circles
		The style of the output image - currently only 'circles' is available

  -- format (Only in CLI Mode): DEFAULT: png
		The image format of the output image.  Options are:
		png, jpeg, gif, bmp, tiff, webp

  -- input (Only in CLI Mode): DEFAULT: traccar
		The input source for data.  Options are:
		traccar, a valid file path in a supported format (See below for formats)

  -- id (Only in CLI Mode): REQUIRED for CLI in 'traccar' mode
  		The Traccar device ID to fetch data for

If you want to fetch data from Traccar, you must ensure the following environment variables are set
This applies to Server and CLI modes:
	TRACCAR_USER : Traccar Username
	TRACCAR_PASS : Traccar Password
	TRACCAR_URL  : Traccar URL (Including port if not 80/443)

Input Formats:
	Supported input file formats are:
	xml+gpx, xml+kml, traccar-Api-JSON

For Web API usage information start the server and go to localhost:8198/help
`

	fmt.Fprintf(os.Stderr, "%s\n", extendedHelp)
}