# A to-do list as Vega reads it: one spec, shown by the terminal (vega tui),
# printed for pipes (vega cli) and spoken as sentences (vega say).
use vega

record Task {
  title: text
  done = false
  urgent = false
}

state tasks: list of Task
state at: index of tasks

input add = text
input up = key ArrowUp
input down = key ArrowDown
input toggle = key Space
input urgent = key KeyU
input drop = key Delete

on add {
  tasks.append(Task { title: add })
  at = tasks.last
}
on up.down { at = at - 1 }
on down.down { at = at + 1 }
on toggle.down { at.done = !at.done }
on urgent.down { at.urgent = !at.urgent }
on drop.down { tasks.remove(at) }

view title = "To do"
view left = "{count(t in tasks where !t.done)} of {tasks.count}"

# A list: label, and optionally tone, badge and detail per row.
view tasks_list = each task in tasks {
  label = task.title
  badge = if task.done { "done" } else if task.urgent { "urgent" } else { "" }
  tone = if task.done { vega.muted } else { vega.when(task.urgent, vega.danger) }
}
view tasks_list_focus = at.position