// A guided tour of Squirrel running on calog.
// Demonstrates: local variables, a function, an array with foreach, a table
// (map) with foreach, a simple class with a method, then the cryptoUuid native.
// Run: bin/calog examples/scripts/languages/squirrel.nut

// A local variable.
local engine = "Squirrel"

// A function.
function square(n) {
    return n * n
}

// An array, iterated with foreach to build a table of squares.
local numbers = [1, 2, 3, 4, 5, 6]
local squares = {}
local total = 0
foreach (idx, value in numbers) {
    local s = square(value)
    squares[value] <- s
    total = total + s
    calogPrint("square of", value, "is", s)
}
calogPrint("sum of squares 1..6 =", total)

// A table (map), iterated with foreach over key/value pairs.
local record = {
    language = engine
    version  = "3.x"
    total    = total
}
foreach (key, value in record) {
    calogPrint("record[" + key + "] =", value)
}

// A simple class with a constructor and a method.
class Counter {
    count = 0
    constructor(start) {
        count = start
    }
    function bump(by) {
        count = count + by
        return count
    }
}

local counter = Counter(10)
counter.bump(5)
counter.bump(7)
calogPrint("counter after two bumps =", counter.count)

// Use the cryptoUuid native to mint a unique id.
local id = cryptoUuid()
calogPrint("generated uuid:", id)

// Tear down and exit cleanly (required -- calog does not auto-exit).
calogExit(0)