require("config.util")

local mods = {}

function mods.smash_attack_j2a(pat)
  pat:update_frame(308, 0, 4, { combo_correction = CC_SMASH_ATTACK })
end

function mods.rocket_kick_upper_motion_cancel(pat)
  pat:update_frame(545, 0, 7, { duration = 8 })
  pat:update_frame(545, 0, 8, { duration = 27 })
end

function mods.rocket_kick_upper_object_parameters(pat)
  for _, off in ipairs {0, 3, 4} do
    for idx = 0, 9 do
      pat:update_frame(821, off, idx, { hitstop_enemy = 10 })
    end
  end
end

function mods.rocket_kick_upper_hitbox(pat)
  local boxes = pat:get_frame(821, 0, 0).attackbox
  -- local delta = boxes[2].x2 + boxes[2].x1
  -- local delta = boxes[3].x1 - boxes[2].x1
  local delta = 40
  
  for _, off in ipairs {0, 3, 4} do
    for idx = 0, 9 do
      pat:update_frame(821, off, idx, function(frame)
        frame.attackbox[1].x1 = frame.attackbox[1].x1 - delta
        frame.attackbox[2].x1 = frame.attackbox[2].x1 - delta
        frame.attackbox[3].x1 = frame.attackbox[3].x1 - delta
      end)
    end
  end
end

function mods.stigmatizer_motion_cancel(pat)
  for seq = 570, 571 do
    for idx = 12, 16 do
      pat:update_frame(seq, 1, idx, set_motion_cancel)
    end
  end
end

function mods.stigmatizer_object_parameters(pat)
  for _, off in ipairs {0, 5} do
    for idx = 0, 1 do
      pat:update_frame(827, off, idx, {
        hitstop_enemy = 10,
        untech = 40,
      })
    end
  end
end

function mods.scarlet_devil_hitbox(pat)
  local delta = 50

  local function reduce_hitbox(frame)
    frame.attackbox[1].x1 = frame.attackbox[1].x1 + delta
    frame.attackbox[1].x2 = frame.attackbox[1].x2 - delta
  end

  for idx = 4, 9 do
    pat:update_frame(853, 0, idx, reduce_hitbox)
  end

  for idx = 0, 9 do
    pat:update_frame(853, 1, idx, reduce_hitbox)
  end
end

return function(pat)
  mods.smash_attack_j2a(pat)

  if config:get("remilia", "rocket_kick_upper", "increase_hitbox") then
    mods.rocket_kick_upper_hitbox(pat)
  end

  if config:get("remilia", "rocket_kick_upper", "faster_motion_cancel") then
    mods.rocket_kick_upper_motion_cancel(pat)
  end

  if config:get("remilia", "rocket_kick_upper", "modify_parameters") then
    mods.rocket_kick_upper_object_parameters(pat)
  end

  if config:get("remilia", "stigmatizer", "faster_motion_cancel") then
    mods.stigmatizer_motion_cancel(pat)
  end

  if config:get("remilia", "stigmatizer", "modify_parameters") then
    mods.stigmatizer_object_parameters(pat)
  end

  if config:get("remilia", "scarlet_devil", "reduce_hitbox") then
    mods.scarlet_devil_hitbox(pat)
  end
end