// Command daily runs one simulated day against the database. Schedule it
// once a day (cron/systemd timer).
package main

import (
	"context"
	"flag"
	"fmt"
	"log"

	"wh/config"
	"wh/runner"
	"wh/store"
)

func main() {
	dsn := flag.String("db", config.DatabaseURL(), "sqlite:<path> or postgres:// URL (default: $DATABASE_URL)")
	cfg, err := config.Bind(flag.CommandLine)
	if err != nil {
		log.Fatal(err)
	}
	flag.Parse()

	ctx := context.Background()
	st, err := store.Open(*dsn)
	if err != nil {
		log.Fatal(err)
	}
	defer st.Close()
	if err := st.Migrate(ctx); err != nil {
		log.Fatal(err)
	}
	res, err := runner.RunNextDay(ctx, st, *cfg)
	if err != nil {
		log.Fatal(err)
	}
	fmt.Printf("day %d complete: %d events, %d downlinks, hash %x\n", res.Day, len(res.Events), len(res.Downlinks), res.Hash[:8])
	for _, e := range res.Events {
		fmt.Println("  ", e)
	}
}