# for_tanisha.tb
# A little program, written in a little language, for Tanisha.
# Run it with:  tb for_tanisha.tb

let name = "Tanisha"
say("Hello, " + name + "!")
say("This language is called TB. Can you guess why?")
say("")

# Things I love about you (a list)
let reasons = [
  "your laugh",
  "the way you care about everyone",
  "how brave you are",
  "your terrible puns",
]

say("A few reasons I love you:")
let count = 1
for reason in reasons {
  say(str(count) + ". " + reason)
  count = count + 1
}
say("...and " + str(len(reasons)) + " is nowhere near all of them.")
say("")

# A function that remembers things (a closure)
fn make_counter() {
  let days = 0
  return fn() {
    days = days + 1
    return days
  }
}

let together = make_counter()
together()
together()
say("Days I've been happy today: " + str(together()))

# A function that calls itself (recursion)
fn hearts(n) {
  if n <= 0 {
    return ""
  }
  return "<3 " + hearts(n - 1)
}
say(hearts(5))
say("")

# Counting with while
let i = 3
while i > 0 {
  say(str(i) + "...")
  i = i - 1
}

if len(reasons) > 3 {
  say("I love you more than " + str(len(reasons)) + " reasons can say.")
} else if len(reasons) > 0 {
  say("I love you.")
} else {
  say("Still loving you.")
}

say("")
say("A note from TB, just for you:")
care(name)
say("")
say("With love, always.")