Implement HTTP REST CRUD API

main.go

@@ -2,7 +2,9 @@ package main
 
 import (
 	"fmt"
+	"net/http"
 	"os"
+	"woke/api"
 	"woke/db"
 	"woke/player"
 	"woke/scheduler"
@@ -11,7 +13,57 @@ import (
 	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)
@@ -27,6 +79,16 @@ func main() {
 	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)