# frozen_string_literal: true

# Copyright (c) 2013 Howard Jeng
#
# Permission is hereby granted, free of charge, to any person obtaining a copy of this
# software and associated documentation files (the "Software"), to deal in the Software
# without restriction, including without limitation the rights to use, copy, modify, merge,
# publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons
# to whom the Software is furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all copies or
# substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
# INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
# PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
# FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
# OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
# DEALINGS IN THE SOFTWARE.

class Table
    def initialize(bytes)
        @dim, @x, @y, @z, items, *@data = bytes.unpack('L5 S*')
        raise 'Size mismatch loading Table from data' unless items == @data.length && @x * @y * @z == items
    end

    def _dump(*_ignored)
        [@dim, @x, @y, @z, @x * @y * @z, *@data].pack('L5 S*')
    end

    def self._load(bytes)
        new(bytes)
    end
end

class Color
    def initialize(bytes)
        @r, @g, @b, @a = *bytes.unpack('D4')
    end

    def _dump(*_ignored)
        [@r, @g, @b, @a].pack('D4')
    end

    def self._load(bytes)
        new(bytes)
    end
end

class Tone
    def initialize(bytes)
        @r, @g, @b, @a = *bytes.unpack('D4')
    end

    def _dump(*_ignored)
        [@r, @g, @b, @a].pack('D4')
    end

    def self._load(bytes)
        new(bytes)
    end
end

class Rect
    def initialize(bytes)
        @x, @y, @width, @height = *bytes.unpack('i4')
    end

    def _dump(*_ignored)
        [@x, @y, @width, @height].pack('i4')
    end

    def self._load(bytes)
        new(bytes)
    end
end

class Hash
    def insert_at_index(index, key, value)
        return self[key] = value if index >= size

        temp_array = to_a
        temp_array.insert(index, [key, value])
        replace(temp_array.to_h)
    end
end

module RPG
    class Map
        attr_accessor :display_name, :events
    end

    class Event
        attr_accessor :pages

        class Page
            attr_accessor :list
        end
    end

    class EventCommand
        attr_accessor :code, :parameters
    end

    class Actor
        attr_accessor :name, :nickname, :description, :note
    end

    class Armor
        attr_accessor :name, :description, :note
    end

    class Class
        attr_accessor :name, :description, :note
    end

    class Enemy
        attr_accessor :name, :description, :note
    end

    class Item
        attr_accessor :name, :description, :note
    end

    class Skill
        attr_accessor :name, :description, :note, :message1, :message2
    end

    class State
        attr_accessor :name, :description, :note, :message1, :message2, :message3, :message4
    end

    class Weapon
        attr_accessor :name, :description, :note
    end

    class CommonEvent
        attr_accessor :pages, :list
    end

    class Troop
        attr_accessor :pages

        class Page
            attr_accessor :list
        end
    end

    class System
        attr_accessor :elements, :skill_types, :weapon_types, :armor_types, :currency_unit, :terms, :words, :game_title
    end
end

module RGSS
    # creates an empty class in a potentially nested scope
    def self.process(root, name, *args)
        if args.empty?
            root.const_set(name, Class.new) unless root.const_defined?(name, false)
        else
            process(root.const_get(name), *args)
        end
    end

    # All used Ruby classes inside RPG Maker XP, VX, VX Ace games, that must be initialized to properly
    # Marshal.load() files from these games
    CLASSES_NESTED_ARRAY = [
        # RGSS data structures
        %i[RPG Actor],
        %i[RPG Animation],
        %i[RPG Animation Frame],
        %i[RPG Animation Timing],
        %i[RPG Area],
        %i[RPG Armor],
        %i[RPG AudioFile],
        %i[RPG BaseItem],
        %i[RPG BaseItem Feature],
        %i[RPG BGM],
        %i[RPG BGS],
        %i[RPG Class],
        %i[RPG Class Learning],
        %i[RPG CommonEvent],
        %i[RPG Enemy],
        %i[RPG Enemy Action],
        %i[RPG Enemy DropItem],
        %i[RPG EquipItem],
        %i[RPG Event],
        %i[RPG Event Page],
        %i[RPG Event Page Condition],
        %i[RPG Event Page Graphic],
        %i[RPG EventCommand],
        %i[RPG Item],
        %i[RPG Map],
        %i[RPG Map Encounter],
        %i[RPG MapInfo],
        %i[RPG ME],
        %i[RPG MoveCommand],
        %i[RPG MoveRoute],
        %i[RPG SE],
        %i[RPG Skill],
        %i[RPG State],
        %i[RPG System],
        %i[RPG System Terms],
        %i[RPG System TestBattler],
        %i[RPG System Vehicle],
        %i[RPG System Words],
        %i[RPG Tileset],
        %i[RPG Troop],
        %i[RPG Troop Member],
        %i[RPG Troop Page],
        %i[RPG Troop Page Condition],
        %i[RPG UsableItem],
        %i[RPG UsableItem Damage],
        %i[RPG UsableItem Effect],
        %i[RPG Weapon],
    ].freeze

    CLASSES_NESTED_ARRAY.each { |symbol_array| process(Object, *symbol_array) }
end