// +build mage

package main

import (
	"fmt"

	"github.com/magefile/mage/mg"
	"github.com/magefile/mage/sh"
	"gitlab.com/dananglin/cv/helpers"
)

const (
	aspellPersonalWordlist string = "./.aspell/.aspell.en.pws"
	cvJsonDataFile         string = "./data/cv.json"
	cvOutputDir            string = "./__output"
	cvTemplateDir          string = "./template/tex/"
	cvOutputFileName       string = "cv.tex"
	dockerfile             string = "./docker/Dockerfile"
)

// Default sets the default target.
var Default = Pdf

// SpellCheck checks the CV JSON file for spelling errors. If there are any
// misspelt words found the function returns a list of those words in an error.
// Any error found while gathering the list is returned.
// This function depends on the aspell program.
func SpellCheck() error {
	return helpers.SpellCheck(cvJsonDataFile, aspellPersonalWordlist)
}

// Tex takes the CV data file and generates the output tex file from
// template.
func Tex() error {
	fmt.Println("Generating the tex file...")

	mg.Deps(Clean)

	return helpers.CreateCVTex(cvJsonDataFile, cvTemplateDir, cvOutputDir, cvOutputFileName)
}

// Pdf takes the output tex file generated by the Tex target and
// generates the output PDF file.
func Pdf() error {
	mg.Deps(Tex)

	pathArg := "--path=" + cvOutputDir

	fmt.Println("Generating the PDF file...")
	return sh.Run("mtxrun", pathArg, "--script", "context", "cv.tex")
}

// Image builds the CV builder docker image.
func Image() error {
	image := helpers.ImageName()

	return sh.Run("docker", "build", "-f", dockerfile, "-t", image, ".")
}

// PublishImage publishes the CV builder docker image
// to the docker registry.
func PublishImage() error {
	mg.Deps(Image)

	image := helpers.ImageName()
	return sh.Run("docker", "push", image)
}

// Clean removes the directory where the output files
// are generated.
func Clean() error {
	if err := sh.Rm(cvOutputDir); err != nil {
		return err
	}

	return nil
}