## Pure tick-level controllers for goto(x,y) and aimTo(x,y).
## No bot object needed — all inputs are explicit parameters.

import tankroyale_botapi

proc gotoTick*(targetX, targetY, botX, botY, direction, speed: float): (float, float) =
  ## Returns (targetSpeed, turnRate) to drive toward (targetX, targetY).
  ## Selects forward or reverse automatically based on bearing.
  let bearing = normalizeRelativeAngle(directionTo(botX, botY, targetX, targetY) - direction)
  let (dirSign, effBearing) =
    if abs(bearing) > 90.0:
      (-1.0, normalizeRelativeAngle(bearing + 180.0))
    else:
      (1.0, bearing)
  let dist       = distanceTo(botX, botY, targetX, targetY)
  let maxTurn    = calcMaxTurnRate(speed)
  let turnRate   = effBearing.clamp(-maxTurn, maxTurn)
  let rawSpeed   = getNewTargetSpeed(MAX_SPEED, abs(speed), dist)
  (dirSign * rawSpeed, turnRate)

proc aimToTick*(targetX, targetY, botX, botY, gunDirection: float): float =
  ## Returns gunTurnRate (clamped to ±MAX_GUN_TURN_RATE) to rotate gun toward target.
  let bearing = normalizeRelativeAngle(directionTo(botX, botY, targetX, targetY) - gunDirection)
  bearing.clamp(-MAX_GUN_TURN_RATE, MAX_GUN_TURN_RATE)