Adding LICENSE

LICENSE

@@ -0,0 +1,24 @@
+This is free and unencumbered software released into the public domain.
+
+Anyone is free to copy, modify, publish, use, compile, sell, or
+distribute this software, either in source code form or as a compiled
+binary, for any purpose, commercial or non-commercial, and by any
+means.
+
+In jurisdictions that recognize copyright laws, the author or authors
+of this software dedicate any and all copyright interest in the
+software to the public domain. We make this dedication for the benefit
+of the public at large and to the detriment of our heirs and
+successors. We intend this dedication to be an overt act of
+relinquishment in perpetuity of all present and future rights to this
+software under copyright law.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+For more information, please refer to <https://unlicense.org>

go.mod

@@ -1,3 +1,5 @@
 module lyricdownloader
 
 go 1.20
+
+require github.com/joho/godotenv v1.5.1

go.sum

@@ -0,0 +1,2 @@
+github.com/joho/godotenv v1.5.1 h1:7eLL/+HRGLY0ldzfGMeQkb7vMd0as4CfYvUVzLqw0N0=
+github.com/joho/godotenv v1.5.1/go.mod h1:f4LDr5Voq0i2e/R5DDNOoa2zzDfwtkZa6DnEwAbqwq4=

internal/cmdline/cmdline.go

@@ -0,0 +1,85 @@
+package cmdline
+
+import (
+	"flag"
+	"fmt"
+	"log"
+	"os"
+)
+
+var (
+	printDebug bool
+	outputFile string
+)
+
+// func searchGoogle(song string, lg *log.Logger) {
+
+// }
+
+// func searchGenius(song string, lg *log.Logger) {
+
+// }
+
+func Main() int {
+	programName := os.Args[0]
+	errorLog := log.New(os.Stderr, "", 0)
+	mainLog := log.New(os.Stdout, "", 0)
+
+	flags := flag.NewFlagSet(os.Args[0], flag.ExitOnError)
+	flags.Usage = func() {
+		out := flags.Output()
+		fmt.Fprintf(out, "Usage: %v [dir]\n\n", programName)
+		fmt.Fprint(out, "  [dir] is optional; if not passed, '.' is used.\n\n")
+		fmt.Fprint(out, "  By default, the server listens on localhost:8080. Both the\n")
+		fmt.Fprint(out, "  host and the port are configurable with flags. Set the host\n")
+		fmt.Fprint(out, "  to something else if you want the server to listen on a\n")
+		fmt.Fprint(out, "  specific network interface. Setting the port to 0 will\n")
+		fmt.Fprint(out, "  instruct the server to pick a random available port.\n\n")
+		flags.PrintDefaults()
+	}
+
+	outputFlag := flags.String("output", "", "Lyrics filename")
+	verboseFlag := flags.Bool("verbose", false, "Turn on debug. Default is false.")
+	searchFlag := flags.String("search", "", "Name of song to search. If the name of the song is not a single word, put in quotes\"\"")
+
+	flags.Parse(os.Args[1:])
+
+	if len(flags.Args()) > 1 {
+		errorLog.Println("Error: too many command-line arguments")
+		flags.Usage()
+		return 1
+	}
+
+	allSetFlags := flagsSet(flags)
+
+	songToSearch := *searchFlag
+
+	if len(songToSearch) == 0 {
+		errorLog.Println("Error: the song name must be provided for search")
+		flags.Usage()
+		return 1
+	}
+
+	if allSetFlags["output"] {
+		outputFile = *outputFlag
+	} else {
+		mainLog.Printf("Using %s as the name of the file(s) for downloaded lyrics..\n", songToSearch)
+	}
+
+	printDebug = *verboseFlag
+	if printDebug {
+		mainLog.Printf("Output flag: %s, Debug flag: %t, Search flag: %s\n", outputFile, printDebug, songToSearch)
+	}
+
+	return 0
+}
+
+// flagsSet returns a set of all the flags what were actually set on the
+// command line.
+func flagsSet(flags *flag.FlagSet) map[string]bool {
+	s := make(map[string]bool)
+	flags.Visit(func(f *flag.Flag) {
+		s[f.Name] = true
+	})
+	return s
+}

main.go

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+package main
+
+import (
+	"fmt"
+	"lyricdownloader/internal/cmdline"
+	"os"
+
+	_ "github.com/joho/godotenv/autoload"
+)
+
+// Possible algorithm
+// First call the Genius API to get the lyrics
+// Second scrape the Google search to get the musicmatch api version of the lyrics
+// Compare two of them, If there are the same, print one, else print both files
+
+// Possible flags -o (output) -versbose (print all debug) -search (the actual song you want to search)
+
+var geniusApiToken = os.Getenv("GENIUS_API_TOKEN")
+
+func main() {
+
+	fmt.Println(geniusApiToken)
+
+	os.Exit(cmdline.Main())
+
+}