Bootstrap and day 1 solution

main.go

@@ -0,0 +1,75 @@
+package main
+
+import (
+	"fmt"
+	"log"
+	"os"
+	"strconv"
+	"strings"
+	"time"
+
+	"parnic.com/aoc2019/days"
+	"parnic.com/aoc2019/utilities"
+)
+
+type day interface {
+	Parse()
+	Part1() string
+	Part2() string
+}
+
+var dayMap = map[int]day{
+	1: &days.Day01{},
+}
+
+func main() {
+	arg := "1"
+	if len(os.Args) > 1 {
+		arg = os.Args[1]
+	}
+	if strings.ToLower(arg) == "all" {
+		for _, v := range dayMap {
+			solve(v)
+		}
+	} else {
+		iArg, err := strconv.Atoi(arg)
+		if err != nil {
+			log.Fatalf("Invalid day " + utilities.ColorCyan + arg + utilities.TextReset)
+		}
+
+		p, ok := dayMap[iArg]
+		if !ok {
+			log.Fatalf("Unknown day " + utilities.ColorCyan + arg + utilities.TextReset)
+		}
+
+		solve(p)
+	}
+
+	os.Exit(0)
+}
+
+func solve(d day) {
+	fmt.Println(utilities.ColorCyan + "Day 01" + utilities.TextReset)
+
+	parseStart := time.Now()
+	d.Parse()
+	parseTime := time.Since(parseStart)
+
+	part1Start := time.Now()
+	part1 := d.Part1()
+	part1Time := time.Since(part1Start)
+
+	part2Start := time.Now()
+	part2 := d.Part2()
+	part2Time := time.Since(part2Start)
+
+	fmt.Println(utilities.ColorGreen + "Part1:" + utilities.TextReset)
+	fmt.Println(part1)
+	fmt.Println(utilities.ColorGreen + "Part2:" + utilities.TextReset)
+	fmt.Println(part2)
+	fmt.Print(utilities.ColorBrightBlack)
+	fmt.Printf("Parsed in %s\n", parseTime)
+	fmt.Printf("Part01 in %s\n", part1Time)
+	fmt.Printf("Part02 in %s\n", part2Time)
+	fmt.Println(utilities.TextReset)
+}