require("config.util")

local mods = {}


function mods.crouch_hurtbox(pat)
  local function adjust(seq, off, idx)
    pat:update_frame(seq, off, idx, function(frame)
      frame.hurtbox[1].y1 = frame.hurtbox[1].y1 - 10
    end)
  end

  for idx = 2,  4 do adjust(1, 0, idx) end
  for idx = 0,  1 do adjust(3, 0, idx) end
  adjust(2, 0, 0)
end

function mods.adjust_j44_cancel(pat, delta)
  pat:update_frame(203, 0, 0, { duration = 2 + delta })
end

function mods.hit_parameters_aaa(pat)
  pat:update_frame(321, 0, 4, {
    hit_ani_ground = 0,
    combo_correction = 0,
  })
end

function mods.frame_advantage_dc(pat)
  table.foreach({{0,9},{0,10},{0,0},{0,1},{0,2}}, function(off, idx)
    pat:update_frame(418, off, idx, { blockstop_self = 10 })
  end)
end

function mods.b_series_motion_cancel_2(pat)
  table.foreach({400, 401, 402, 404, 405, 406}, function(seq)
    pat:update_frame(seq, 0, 7, function(frame)
      unset_fflag(frame, FF_MOTION_CANCEL)
    end)
  end)
end

function mods.b_series_motion_cancel_2(pat)
  table.foreach({400, 401, 402, 404, 405, 406}, function(seq)
    local shift = seq < 404 and 1 or 0
    pat:update_frame(seq, 0, 3, { duration = 1 })
    pat:update_frame(seq, 0, 4 + shift, { duration = 2 })
    pat:update_frame(seq, 0, 6, { duration = 1 })
    pat:update_frame(seq, 0, 7 + shift, { duration = 2 })
    pat:update_frame(seq, 0, 10, { duration = 6 })
    pat:update_frame(seq, 0, 11, { duration = 6 })
    pat:update_frame(seq, 0, 12, { duration = 6 })
    pat:update_frame(seq, 0, 13, { duration = 6 })
    for idx = 7, 9 do
      pat:update_frame(seq, 0, idx, function(frame)
        unset_fflag(frame, FF_MOTION_CANCEL)
      end)
    end
  end)
end

function mods.mind_explosion_motion_cancel(pat)
  for seq = 500, 501 do
    pat:update_frame(seq, 0, 3, { duration = 3 })
    pat:update_frame(seq, 0, 4, { duration = 3 })
    -- pat:update_frame(seq, 0, 5, { duration = 6 })
    -- pat:update_frame(seq, 0, 6, { duration = 6 })
  end
end

function mods.mind_explosion_object_parameters(pat)
  pat:update_frame(810, 0, 0, { chip_damage = 70 })
  pat:update_frame(810, 0, 1, { chip_damage = 70 })
  pat:update_frame(810, 1, 0, { chip_damage = 80 })
end

function mods.elixir_explosion_mutual_damage(pat)
  for idx = 0, 1 do
    pat:update_frame(859, 6, idx, function(frame)
      frame.damage = 10000
      set_aflag(frame, AF_CAN_HIT_SELF)
      frame.attackbox[1] = { x1=-10000, y1=-10000, x2=10000, y2=10000 }
      -- show_message_box(frame.scale_x)
    end)
  end
end

return function(pat)
  if config:get("udonge", "grand_patriots_elixir", "mutual_explosion") then
    mods.elixir_explosion_mutual_damage(pat)
  end

  if config:get("udonge", "dial_a", "aaa_remove_launch") then
    mods.hit_parameters_aaa(pat)
  end

  if config:get("udonge", "b_series", "adjust_motion_cancel") == 1 then
    mods.b_series_motion_cancel_1(pat)
  end

  if config:get("udonge", "b_series", "adjust_motion_cancel") == 2 then
    mods.b_series_motion_cancel_2(pat)
  end

  if config:get("udonge", "dc", "adjust_frame_advantage") then
    mods.frame_advantage_dc(pat)
  end

  if config:get("udonge", "mind_explosion", "adjust_motion_cancel") then
    mods.mind_explosion_motion_cancel(pat)
  end

  if config:get("udonge", "mind_explosion", "adjust_object_parameters") then
    mods.mind_explosion_object_parameters(pat)
  end

  if config:get("udonge", "crouch", "adjust_hurtbox") then
    mods.crouch_hurtbox(pat)
  end

  mods.adjust_j44_cancel(pat, config:getdef("udonge", "j44", "delay_attack_cancel_by", 0))
end