def deps do
  [
    {:icalendar, "~> 1.1.0"}
  ]
end

events = [
  %ICalendar.Event{
    summary: "Film with Amy and Adam",
    dtstart: {{2015, 12, 24}, {8, 30, 00}},
    dtend:   {{2015, 12, 24}, {8, 45, 00}},
    description: "Let's go see Star Wars.",
    location: "123 Fun Street, Toronto ON, Canada"
  },
  %ICalendar.Event{
    summary: "Morning meeting",
    dtstart: Timex.now,
    dtend:   Timex.shift(Timex.now, hours: 3),
    description: "A big long meeting with lots of details.",
    location: "456 Boring Street, Toronto ON, Canada"
  },
]
ics = %ICalendar{ events: events } |> ICalendar.to_ics
File.write!("calendar.ics", ics)

# BEGIN:VCALENDAR
# CALSCALE:GREGORIAN
# VERSION:2.0
# BEGIN:VEVENT
# DESCRIPTION:Let's go see Star Wars.
# DTEND:20151224T084500Z
# DTSTART:20151224T083000Z
# LOCATION: 123 Fun Street\, Toronto ON\, Canada
# SUMMARY:Film with Amy and Adam
# END:VEVENT
# BEGIN:VEVENT
# DESCRIPTION:A big long meeting with lots of details.
# DTEND:20151224T223000Z
# DTSTART:20151224T190000Z
# LOCATION:456 Boring Street\, Toronto ON\, Canada
# SUMMARY:Morning meeting
# END:VEVENT
# END:VCALENDAR

# Create todos with various properties
todos = [
  %ICalendar.Todo{
    summary: "Buy groceries",
    due: Timex.to_datetime({{2023, 12, 25}, {18, 00, 00}}),
    priority: 1,
    status: "needs-action"
  },
  %ICalendar.Todo{
    summary: "Complete project",
    dtstart: Timex.to_datetime({{2023, 12, 20}, {9, 00, 00}}),
    due: Timex.to_datetime({{2023, 12, 25}, {17, 00, 00}}),
    percent_complete: 50,
    priority: 2,
    status: "in-process",
    description: "Finish the quarterly project"
  }
]

# Generate ICS with todos
ics = %ICalendar{todos: todos} |> ICalendar.to_ics
File.write!("tasks.ics", ics)

# Mix events and todos in the same calendar
calendar = %ICalendar{
  events: events,
  todos: todos
}
ics = calendar |> ICalendar.to_ics
File.write!("mixed_calendar.ics", ics)

# Parse calendars with todos
calendar = ICalendar.from_ics(File.read!("tasks.ics"))
todos = calendar.todos
events = calendar.events