-- if player has npc_talk_owner priv AND is owner of this particular npc:
--   chat option: "I am your owner. I have new orders for you.
--   -> enters edit mode
-- when edit_mode has been enabled, the following chat options are added to the options:
--   chat option: "Add new answer/option to this dialog."
--   -> adds a new aswer/option
--   chat option: "That was all. I'm finished with giving you new orders. Remember them!"
--   -> ends edit mode
-- (happens in fs/fs_talkdialog_in_edit_mode.lua)


-- store if the player is editing a particular NPC; format: yl_speak_up.edit_mode[pname] = npc_id
yl_speak_up.edit_mode = {}

-- changes applied in edit_mode are applied immediately - but not immediately stored to disk
-- (this gives the players a chance to back off in case of unwanted changes)
yl_speak_up.npc_was_changed = {}


-- is the player in edit mode?
yl_speak_up.in_edit_mode = function(pname)
	return pname
		and yl_speak_up.edit_mode[pname]
		and (yl_speak_up.edit_mode[pname] == yl_speak_up.speak_to[pname].n_id)
end


-- reset edit_mode when stopping to talk to an NPC
local old_reset_vars_for_player = yl_speak_up.reset_vars_for_player
yl_speak_up.reset_vars_for_player = function(pname, reset_fs_version)
	yl_speak_up.edit_mode[pname] = nil
	old_reset_vars_for_player(pname, reset_fs_version)
end


-- make sure generic dialogs are never included in edit_mode (because in edit mode we want to
--    edit this particular NPC without generic parts)
local old_load_dialog = yl_speak_up.load_dialog
yl_speak_up.load_dialog = function(n_id, player) -- returns the saved dialog
	if(player and yl_speak_up.in_edit_mode(player:get_player_name())) then
		return old_load_dialog(n_id, false)
	end
	return old_load_dialog(n_id, player)
end


local modname = minetest.get_current_modname()

-- TODO: adjust to new mod name and paths
local modpath = minetest.get_modpath(modname)..DIR_DELIM.."editor"..DIR_DELIM

-- this is a way to provide additional help if a mod adds further commands (like the editor)
yl_speak_up.add_to_command_help_text = yl_speak_up.add_to_command_help_text..
		"\nAdditional commands provided by "..tostring(modname)..":\n"..
		"       force_edit  forces edit mode for any NPC you talk to\n"


	-- overrides of functions fo fs/fs_talkdialog.lua when in edit_mode (or for entering/leaving it)
	dofile(modpath .. "fs/fs_talkdialog_edit_mode.lua")

	-- edit preconditions (can be reached through edit options dialog)
	dofile(modpath .. "fs/fs_edit_preconditions.lua")
	-- edit actions (can be reached through edit options dialog)
	dofile(modpath .. "fs/fs_edit_actions.lua")
	-- edit effects (can be reached through edit options dialog)
	dofile(modpath .. "fs/fs_edit_effects.lua")
	-- edit options dialog (detailed configuration of options in edit mode)
	dofile(modpath .. "fs/fs_edit_options_dialog.lua")

	-- the player wants to change something regarding the dialog
	dofile(modpath .. "edit_mode_apply_changes.lua")



--	-- logging and showing the log
--	dofile(modpath .. "api/api_logging.lua")
--	dofile(modpath .. "fs/fs_show_log.lua")
--	-- players *and* npc need privs for certain things; this here handles the NPC side of things
--	dofile(modpath .. "npc_privs.lua")
--	-- add generic dialogs
--	dofile(modpath .. "add_generic_dialogs.lua")
--	-- handle on_player_receive_fields and showing of formspecs
--	dofile(modpath .. "show_fs.lua")
	-- handle page changes and asking for saving when in edit mode:
	dofile(modpath .. "show_fs_in_edit_mode.lua")
--	-- general decoration part for main formspec, trade window etc.
--	dofile(modpath .. "api/api_decorated.lua")
--	-- the formspec and input handling for the main dialog
--	dofile(modpath .. "api/api_talk.lua")
--	dofile(modpath .. "fs/fs_talkdialog.lua")
	-- ask if the player wants to save, discard or go back in edit mode
	dofile(modpath .. "fs/fs_save_or_discard_or_back.lua")
	-- the player wants to change something regarding the dialog
	dofile(modpath .. "edit_mode_apply_changes.lua")
--
--	-- As the name says: a collection of custom functions that you can
--	-- override on your server or in your game to suit your needs;
--	-- Note: No special privs are needed to call custom functions. But...
--	--       of course you can change them only if you have access to
--	--       the server's file system or can execute lua code.
--	-- Note: Please do not edit this file. Instead, create and edit the
--	--       file "local_server_do_on_reload.lua"!
--	dofile(modpath .. "api/custom_functions_you_can_override.lua")
--
	-- assign a quest step to a dialog option/answer
	dofile(modpath .. "fs/fs_assign_quest_step.lua")
--
--	-- execute preconditions, actions and effects
--	dofile(modpath .. "exec_eval_preconditions.lua")
--	dofile(modpath .. "exec_actions.lua")
--	dofile(modpath .. "exec_apply_effects.lua")
	-- in edit_mode we need a more complex reaction to inventory changes
	dofile(modpath .. "exec_actions_action_inv_changed.lua")
	-- in edit_mode: effects are not executed
	dofile(modpath .. "exec_all_relevant_effects.lua")
	-- some helper functions for formatting text for a formspec talbe
	dofile(modpath .. "print_as_table.lua")
--	-- create i.e. a dropdown list of player names
--	dofile(modpath .. "api/formspec_helpers.lua")
	-- handle alternate text for dialogs
	dofile(modpath .. "api/api_alternate_text.lua")
	-- helpful for debugging the content of the created dialog structure
	dofile(modpath .. "fs/fs_show_what_points_to_this_dialog.lua")
--	-- debugging - extended information about what (your own) NPC does
--	dofile(modpath .. "npc_talk_debug.lua")
--	-- execute lua code directly (preconditions and effects) - requires priv
--	dofile(modpath .. "eval_and_execute_function.lua")
	-- common functions for editing preconditions and effects
	dofile(modpath .. "api/fs_edit_general.lua")
	-- edit preconditions (can be reached through edit options dialog)
	dofile(modpath .. "fs/fs_edit_preconditions.lua")
	-- edit actions (can be reached through edit options dialog)
	dofile(modpath .. "fs/fs_edit_actions.lua")
	-- edit effects (can be reached through edit options dialog)
	dofile(modpath .. "fs/fs_edit_effects.lua")
	-- edit options dialog (detailed configuration of options in edit mode)
	dofile(modpath .. "fs/fs_edit_options_dialog.lua")
--	-- set name, description and owner (owner only with npc_talk_master priv)
--	dofile(modpath .. "fs/fs_initial_config.lua")
	dofile(modpath .. "fs/fs_initial_config_in_edit_mode.lua")
--	-- inspect and accept items the player gave to the NPC
--	dofile(modpath .. "fs/fs_player_offers_item.lua")
--	-- inventory management, trading and handling of quest items:
--	dofile(modpath .. "api/api_inventory.lua")
--	dofile(modpath .. "fs/fs_inventory.lua")
--	-- limit how much the NPC shall buy and sell
--	dofile(modpath .. "api/api_trade.lua")
--	dofile(modpath .. "fs/fs_trade_limit.lua")
--	dofile(modpath .. "fs/fs_edit_trade_limit.lua")
--	-- trade one item(stack) against one other item(stack)
--	dofile(modpath .. "api/api_trade_inv.lua")
	dofile(modpath .. "trade_in_edit_mode.lua")
	dofile(modpath .. "fs/fs_add_trade_simple_in_edit_mode.lua")
--	dofile(modpath .. "fs/fs_do_trade_simple.lua")
	-- handle back button diffrently when editing a trade as an action:
	dofile(modpath .. "fs/fs_do_trade_simple_in_edit_mode.lua")
--	dofile(modpath .. "fs/fs_add_trade_simple.lua")
--	-- just click on a button to buy items from the trade list
--	dofile(modpath .. "fs/fs_trade_via_buy_button.lua")
--	-- easily accessible list of all trades the NPC offers
--	dofile(modpath .. "fs/fs_trade_list.lua")
	-- as the name says: list which npc acesses a variable how and in which context
	dofile(modpath .. "fs/fs_get_list_of_usage_of_variable.lua")
	-- show which values are stored for which player in a quest variable
	dofile(modpath .. "fs/fs_show_all_var_values.lua")
	-- manage quest variables: add, delete, manage access rights etc.
	dofile(modpath .. "fs/fs_manage_variables.lua")
--	-- handle variables for quests for player-owned NPC
--	dofile(modpath .. "quest_api.lua")
	-- GUI for adding/editing quests
	dofile(modpath .. "fs/fs_manage_quests.lua")
--	-- GUI for adding/editing quest steps for the quests
	dofile(modpath .. "api/api_quest_steps.lua")
	dofile(modpath .. "fs/fs_manage_quest_steps.lua")
	-- used by the above
	dofile(modpath .. "fs/fs_add_quest_steps.lua")
--	-- setting skin, wielded item etc.
--	dofile(modpath .. "old_staff_tool_compatibility.lua")
--	dofile(modpath .. "api/api_fashion.lua")
	dofile(modpath .. "fs/fs_fashion.lua")
	dofile(modpath .. "fs/fs_fashion_extended.lua")
--	-- properties for NPC without specific dialogs that want to make use of
--	-- some generic dialogs
--	dofile(modpath .. "api/api_properties.lua")
	dofile(modpath .. "fs/fs_properties.lua")
--	-- the main functionality of the mod
--	dofile(modpath .. "functions.lua")
	-- /npc_talk force_edit (when talking to an NPC in the normal way fails):
	dofile(modpath .. "command_force_edit_mode.lua")
	-- add the force_edit option to the chat commands
	dofile(modpath .. "chat_commands_in_edit_mode.lua")
--	-- implementation of the chat commands registered in register_once.lua:
--	dofile(modpath .. "chat_commands.lua")
	-- creating and maintaining quests
	dofile(modpath .. "fs/fs_quest_gui.lua")
	-- export dialog for cut&paste in .json format
	dofile(modpath .. "fs/fs_export.lua")
	-- take notes regarding what the NPC is for
	dofile(modpath .. "fs/fs_notes.lua")
--
--	-- show a list of all NPC the player can edit
--	dofile(modpath .. "api/api_npc_list.lua")
--	dofile(modpath .. "fs/fs_npc_list.lua")
--
--	-- some general functions that are useful for mobs_redo
--	-- (react to right-click, nametag color etc.)
--	-- only gets loaded if mobs_redo (mobs) exists as mod
--	dofile(modpath .. "interface_mobs_api.lua")
--
--	-- functions and overrides for edit mode
--	dofile(modpath .. "edit_mode.lua")
--