package main

import (
	"fmt"
	"net/http"
	"os"
	"woke/api"
	"woke/db"
	"woke/player"
	"woke/scheduler"
	"woke/ui"

	tea "github.com/charmbracelet/bubbletea"
)

const helpText = `woke - TUI alarm clock with REST API

Usage:
  woke           Start the TUI (API server runs on :9119)
  woke --help    Show this help

API endpoints (http://localhost:9119):

  List alarms:
    curl http://localhost:9119/api/alarms

  Get alarm:
    curl http://localhost:9119/api/alarms/1

  Create alarm (one-shot):
    curl -X POST http://localhost:9119/api/alarms \
      -H 'Content-Type: application/json' \
      -d '{"name": "Standup", "time": "09:00", "trigger": "once"}'

  Create alarm (cron, weekdays at 7:30):
    curl -X POST http://localhost:9119/api/alarms \
      -H 'Content-Type: application/json' \
      -d '{"name": "Morning", "time": "07:30", "trigger": "30 7 * * 1-5"}'

  Update alarm:
    curl -X PUT http://localhost:9119/api/alarms/1 \
      -H 'Content-Type: application/json' \
      -d '{"name": "New name", "time": "08:00"}'

  Toggle alarm on/off:
    curl -X PATCH http://localhost:9119/api/alarms/1/toggle

  Delete alarm:
    curl -X DELETE http://localhost:9119/api/alarms/1

TUI keybindings:
  j/k        Navigate alarms
  a          Add alarm
  e          Edit alarm
  d          Delete alarm
  space      Toggle enabled
  c          Settings
  q          Quit
`

func main() {
	if len(os.Args) > 1 && (os.Args[1] == "--help" || os.Args[1] == "-h") {
		fmt.Print(helpText)
		os.Exit(0)
	}

	store, err := db.Open()
	if err != nil {
		fmt.Fprintf(os.Stderr, "Failed to open database: %v\n", err)
		os.Exit(1)
	}
	defer store.Close()

	pl := player.New()
	sched := scheduler.New(store)
	sched.Start()
	defer sched.Stop()

	model := ui.NewModel(store, sched, pl)
	p := tea.NewProgram(model, tea.WithAltScreen())

	// Start HTTP API server — notify TUI on mutations via p.Send
	srv := api.New(store, func() { p.Send(ui.AlarmsChangedMsg{}) })
	go func() {
		addr := ":9119"
		fmt.Fprintf(os.Stderr, "API server listening on %s\n", addr)
		if err := http.ListenAndServe(addr, srv.Handler()); err != nil {
			fmt.Fprintf(os.Stderr, "API server error: %v\n", err)
		}
	}()

	if _, err := p.Run(); err != nil {
		fmt.Fprintf(os.Stderr, "Error: %v\n", err)
		os.Exit(1)
	}
}
