package main

import (
	"fmt"
	"time"
	"git.haelnorr.com/h/timefmt"
)

func main() {
	fmt.Println("=== timefmt Demo ===\n")

	// 1. Building a custom format
	fmt.Println("1. Building a custom format:")
	format := timefmt.NewBuilder().
		Year4().Dash().
		MonthNumeric2().Dash().
		DayNumeric2().Space().
		Hour24().Colon().
		Minute().Colon().
		Second().
		Build()

	fmt.Printf("   Go format:   %s\n", format.GoFormat())
	fmt.Printf("   LDML:        %s\n", format.LDML())
	fmt.Printf("   Description: %s\n\n", format.Description())

	// 2. Using pre-built formats
	fmt.Println("2. Pre-built formats:")
	now := time.Now()
	fmt.Printf("   ISO8601:  %s\n", timefmt.ISO8601.Format(now))
	fmt.Printf("   DateTime: %s\n", timefmt.DateTime.Format(now))
	fmt.Printf("   DateUS:   %s\n", timefmt.DateUS.Format(now))
	fmt.Printf("   Kitchen:  %s\n\n", timefmt.Kitchen.Format(now))

	// 3. Parsing existing Go formats
	fmt.Println("3. Parsing an existing Go format:")
	parsed, _ := timefmt.ParseGoFormat("02/01/2006")
	fmt.Printf("   Input:       02/01/2006\n")
	fmt.Printf("   LDML:        %s\n", parsed.LDML())
	fmt.Printf("   Description: %s\n\n", parsed.Description())

	// 4. Complex format example
	fmt.Println("4. Complex format with custom text:")
	complex := timefmt.NewBuilder().
		WeekdayFull().Comma().
		MonthFull().Space().
		DayNumeric().Comma().
		Year4().Space().
		Literal("at").Space().
		Hour12().Colon().
		Minute().Space().
		AMPM().
		Build()

	fmt.Printf("   Formatted: %s\n", complex.Format(now))
	fmt.Printf("   LDML:      %s\n", complex.LDML())
}