-- This file is part of thesixthroc's Pirate Ship softmod, licensed under GPLv3 and stored at https://github.com/danielmartin0/ComfyFactorio-Pirates.


local Memory = require 'maps.pirates.memory'
-- local Roles = require 'maps.pirates.roles.roles'
local Classes = require 'maps.pirates.roles.classes'
local Crew = require 'maps.pirates.crew'
-- local Boats = require 'maps.pirates.structures.boats.boats'
-- local Dock = require 'maps.pirates.surfaces.dock'
local Balance = require 'maps.pirates.balance'
local Common = require 'maps.pirates.common'
local Utils = require 'maps.pirates.utils_local'
local Roles = require 'maps.pirates.roles.roles'
local Math = require 'maps.pirates.math'
local _inspect = require 'utils.inspect'.inspect
local SurfacesCommon = require 'maps.pirates.surfaces.common'
local Upgrades = require 'maps.pirates.boat_upgrades'
-- local Upgrades = require 'maps.pirates.boat_upgrades'

local Public = {}
Public.Captains = require 'maps.pirates.shop.captains'
Public.Covered = require 'maps.pirates.shop.covered'
Public.Merchants = require 'maps.pirates.shop.merchants'
Public.Minimarket = require 'maps.pirates.shop.dock'



function Public.print_transaction(player, multiplier, offer_itemname, offer_itemcount, price)
	local type = 'traded away'
	local s2 = {''}
	local s3 = offer_itemcount * multiplier .. ' ' .. offer_itemname
	if offer_itemname == 'coin' then type = 'sold' end
	for i, p in pairs(price) do
		local p2 = {name = p.name, amount = p.amount}
		if p2.name == 'raw-fish' then p2.name = 'fish' end
		if p2.name == 'coin' then
			type = 'bought'
			p2.name = 'doubloons'
		end
		if i > 1 then
			if i == #price then
				s2[#s2+1] = {'pirates.separator_2'}
			else
				s2[#s2+1] = {'pirates.separator_1'}
			end
		end
		s2[#s2+1] = p2.amount * multiplier
		s2[#s2+1] = ' '
		s2[#s2+1] = p2.name
	end
	if type == 'sold' then
		Common.notify_force_light(player.force, {'pirates.market_event_sell', player.name, s2, s3})
	elseif type == 'traded away' then
		Common.notify_force_light(player.force, {'pirates.market_event_trade', player.name, s2, s3})
	elseif type == 'bought' then
		Common.notify_force_light(player.force, {'pirates.market_event_buy', player.name, s3, s2})
	end
end



local function purchaseData(market, player, offer_index)
	--a proper rewriting of this function would directly check market entities against saved references to them in memory, but we haven't had time to rewrite it yet

	local destination = Common.current_destination()

	local alloffers = market.get_market_items()
	local this_offer = alloffers[offer_index]
	local price = this_offer.price
	local offer_type = this_offer.offer.type
	local offer_giveitem_name, offer_giveitem_count
	if offer_type == 'give-item' then
		offer_giveitem_name = this_offer.offer.item
		offer_giveitem_count = this_offer.offer.count
	end

	-- check for BARTER vs STATIC vs ONE-OFF
	-- One-off becomes unavailable after purchase, such as class purchase
	-- Static doesn't decay
	-- Barter decays
	local decay_type
	local dock_bool = destination.type == SurfacesCommon.enum.DOCK
	local island_bool = destination.type == SurfacesCommon.enum.ISLAND
	local purchase_bool = (price and price[1] and price[1].name and (price[1].name == 'coin'))
	local simple_efficiency_trade_bool = (price and price[1] and price[1].name and (price[1].name == 'pistol' or price[1].name == 'burner-mining-drill'))
	local special_purchase_bool = (offer_giveitem_name == 'rocket-launcher')
	-- local special_purchase_bool = (offer_giveitem_name and (offer_giveitem_name == 'loader' or offer_giveitem_name == 'fast-loader' or offer_giveitem_name == 'express-loader' or offer_giveitem_name == 'rocket-launcher'))

	local surface_name_decoded = SurfacesCommon.decode_surface_name(player.surface.name)
	local type = surface_name_decoded.type
	local in_captains_cabin = type and type == SurfacesCommon.enum.CABIN
	local dock_upgrades_market = destination.dynamic_data.dock_captains_market and (destination.dynamic_data.dock_captains_market == market)

	local permission_level_fail = (in_captains_cabin and Roles.player_privilege_level(player) < Roles.privilege_levels.OFFICER) or (dock_upgrades_market and Roles.player_privilege_level(player) < Roles.privilege_levels.OFFICER)

	if in_captains_cabin then
		decay_type = 'static'
	elseif offer_type == 'nothing' or dock_upgrades_market then
		decay_type = 'one-off'
	elseif simple_efficiency_trade_bool or special_purchase_bool then
		decay_type = 'static'
	elseif dock_bool and purchase_bool and (offer_giveitem_name) and (offer_giveitem_name == 'stone' or offer_giveitem_name == 'iron-ore' or offer_giveitem_name == 'copper-ore' or offer_giveitem_name == 'crude-oil-barrel') then
		decay_type = 'fast_decay'
	elseif dock_bool and purchase_bool and (offer_giveitem_name) then
		decay_type = 'one-off'
	elseif island_bool and (not (offer_giveitem_name and offer_giveitem_name == 'rocket')) then
		decay_type = 'one-off'
	else
		decay_type = 'decay'
	end

	return {
		alloffers = alloffers,
		decay_type = decay_type,
		price = price,
		offer_type = offer_type,
		offer_giveitem_name = offer_giveitem_name,
		offer_giveitem_count = offer_giveitem_count,
		dock_bool = dock_bool,
		island_bool = island_bool,
		purchase_bool = purchase_bool,
		simple_efficiency_trade_bool = simple_efficiency_trade_bool,
		special_purchase_bool = special_purchase_bool,
		in_captains_cabin = in_captains_cabin,
		dock_upgrades_market = dock_upgrades_market,
		permission_level_fail = permission_level_fail,
	}
end


function Public.refund_items(player, price, price_multiplier, item_purchased_name, item_purchased_count)

	local inv = player.get_inventory(defines.inventory.character_main)
	if not inv then return end

	for _, p in pairs(price) do
		inv.insert{name = p.name, count = p.amount * price_multiplier}
	end

	if item_purchased_name and item_purchased_count then
		local removed = inv.remove{name = item_purchased_name, count = item_purchased_count}
		if removed < item_purchased_count then
			local nearby_floor_items = player.surface.find_entities_filtered{area = {{player.position.x - 20, player.position.y - 20}, {player.position.x + 20, player.position.y + 20}}, name = 'item-on-ground'}
			local whilesafety = 2000
			local i = 1
			while removed < item_purchased_count and i <= #nearby_floor_items and i < whilesafety do
				if nearby_floor_items[i].stack and nearby_floor_items[i].stack.name and nearby_floor_items[i].stack.count and nearby_floor_items[i].stack.name == item_purchased_name then
					nearby_floor_items[i].destroy()
					removed = removed + 1
					-- local removed_count = nearby_floor_items[i].stack.count
					-- if removed_count > item_purchased_count - removed then
					-- 	removed_count = item_purchased_count - removed
					-- end
					-- if removed_count == nearby_floor_items[i].stack.count then
					-- 	nearby_floor_items[i].destroy()
					-- else
					-- 	nearby_floor_items[i].stack.count = nearby_floor_items[i].stack.count - removed_count
					-- end
					-- removed = removed + removed_count
				end
				i = i + 1
			end
			if i == whilesafety then log('ERROR: whilesafety reached') end
		end
	end
end



function Public.event_on_market_item_purchased(event)
    local player_index, market, offer_index, trade_count = event.player_index, event.market, event.offer_index, event.count
	local player = game.players[player_index]
	if not (market and market.valid and offer_index and Common.validate_player(player)) then return end

	local crew_id = Common.get_id_from_force_name(player.force.name)
	Memory.set_working_id(crew_id)
	local memory = Memory.get_crew_memory()
	local destination = Common.current_destination()

	local inv = player.get_inventory(defines.inventory.character_main)

	local thisPurchaseData = purchaseData(market, player, offer_index)

	local refunds = 0

	-- Normally we want to disallow multi-purchases in this game (with the exception of static trades for items), so refund any additional purchases:
	if (thisPurchaseData.decay_type ~= 'static' or thisPurchaseData.offer_type == 'nothing') and player and trade_count and trade_count > 1 then
		if thisPurchaseData.offer_type == 'give-item' then
			Public.refund_items(player, thisPurchaseData.price, (trade_count - 1), thisPurchaseData.offer_giveitem_name, thisPurchaseData.offer_giveitem_count * (trade_count - 1))
		else
			Public.refund_items(player, thisPurchaseData.price, (trade_count - 1))
		end
		refunds = refunds + (trade_count - 1)
	end

	if thisPurchaseData.decay_type == 'one-off' then
		local force = player.force

		if thisPurchaseData.dock_upgrades_market then
			if thisPurchaseData.offer_type == 'give-item' then
				-- this is the dummy artillery purchase
				inv.remove{name = thisPurchaseData.offer_giveitem_name, count = thisPurchaseData.offer_giveitem_count}
			end

			if thisPurchaseData.permission_level_fail then
				refunds = trade_count
				Common.notify_player_error(player, {'pirates.market_error_not_captain'})
				-- refund:
				Public.refund_items(player, thisPurchaseData.price, 1)
				refunds = refunds + 1
			else
				if thisPurchaseData.offer_type == 'give-item' then
					-- heal all cannons:
					local cannons = game.surfaces[destination.surface_name].find_entities_filtered({type = 'artillery-turret'})
					for _, c in pairs(cannons) do
						local unit_number = c.unit_number

						local healthbar = memory.boat.healthbars[unit_number]
						if healthbar then
							healthbar.max_health = healthbar.max_health + Balance.cannon_extra_hp_for_upgrade
							healthbar.health = healthbar.max_health
							Common.update_healthbar_rendering(healthbar, healthbar.max_health)
						else
							log('error: healthbar ' .. unit_number .. ' not found')
						end
					end
					Common.notify_force(force,{'pirates.upgraded_cannons', player.name})
					market.remove_market_item(offer_index)
				else
					local upgrade_type = Common.current_destination().static_params.upgrade_for_sale
					if upgrade_type then
						Upgrades.execute_upgade(upgrade_type, player)
					end
					market.remove_market_item(offer_index)
				end
			end

		else

			if thisPurchaseData.offer_type == 'nothing' and destination.static_params.class_for_sale then

				local class_for_sale = destination.static_params.class_for_sale
				-- if not class_for_sale then return end
				local required_class = Classes.class_purchase_requirement[class_for_sale]

				local ok = Classes.try_unlock_class(class_for_sale, player, false)

				if ok then
					if force and force.valid then
						local message = {'pirates.class_purchase', player.name, Classes.display_form(class_for_sale), Classes.explanation(class_for_sale)}
						Common.notify_force_light(force, message)
					end

					memory.available_classes_pool = Utils.ordered_table_with_single_value_removed(memory.available_classes_pool, class_for_sale)

					-- if destination.dynamic_data and destination.dynamic_data.market_class_offer_rendering then
					-- 	rendering.destroy(destination.dynamic_data.market_class_offer_rendering)
					-- end

					market.remove_market_item(offer_index)

					if Classes.class_unlocks[class_for_sale] then
						for _, upgrade in pairs(Classes.class_unlocks[class_for_sale]) do
							memory.available_classes_pool[#memory.available_classes_pool + 1] = upgrade
						end
					end
				else -- if this happens, I believe there is something wrong with code
					if force and force.valid then
						Common.notify_force_error(force, {'pirates.class_purchase_error_prerequisite_class', Classes.display_form(required_class)})
					end

					--refund
					refunds = refunds + 1
					Public.refund_items(player, thisPurchaseData.price, 1)
					log('Error purchasing class: ' .. class_for_sale)
				end
			else
				Common.notify_force_light(player.force, {'pirates.market_event_buy', player.name, thisPurchaseData.offer_giveitem_count .. ' ' .. thisPurchaseData.offer_giveitem_name, thisPurchaseData.price[1].amount .. ' ' .. thisPurchaseData.price[1].name})

				market.remove_market_item(offer_index)
			end
		end

	else
		if thisPurchaseData.in_captains_cabin and thisPurchaseData.permission_level_fail then
			Common.notify_player_error(player, {'pirates.market_error_not_captain_or_officer'})
			-- refund:
			if thisPurchaseData.decay_type == 'static' then
				if thisPurchaseData.offer_type == 'give-item' then
					Public.refund_items(player, thisPurchaseData.price, trade_count, thisPurchaseData.offer_giveitem_name, thisPurchaseData.offer_giveitem_count * trade_count)
				else
					Public.refund_items(player, thisPurchaseData.price, trade_count)
				end
				refunds = refunds + trade_count
			else
				if thisPurchaseData.offer_type == 'give-item' then
					Public.refund_items(player, thisPurchaseData.price, 1, thisPurchaseData.offer_giveitem_name, thisPurchaseData.offer_giveitem_count)
				else
					Public.refund_items(player, thisPurchaseData.price, 1)
				end
				refunds = refunds + 1
			end
		else
			-- print:
			if (thisPurchaseData.price and thisPurchaseData.price[1]) then
				if not (thisPurchaseData.price[1].name and thisPurchaseData.price[1].name == 'burner-mining-drill') then --this one is too boring to announce
					if thisPurchaseData.in_captains_cabin and thisPurchaseData.offer_type == 'nothing' then
						Common.notify_force_light(player.force, {'pirates.market_event_buy', player.name, {'pirates.extra_time_at_sea'}, thisPurchaseData.price[1].amount .. ' ' .. thisPurchaseData.price[1].name})
					else
						Public.print_transaction(player, trade_count - refunds, thisPurchaseData.offer_giveitem_name, thisPurchaseData.offer_giveitem_count, thisPurchaseData.price)
					end
				end
			end

			if thisPurchaseData.in_captains_cabin and thisPurchaseData.offer_type == 'nothing' then
				local success = Crew.try_add_extra_time_at_sea(60 * 60)
				if not success then
					Common.notify_player_error(player, {'pirates.market_error_maximum_loading_time'})
					-- refund:
					Public.refund_items(player, thisPurchaseData.price, 1)
					refunds = refunds + 1
				end
			else

				if thisPurchaseData.decay_type == 'static' then
					if not inv then return end
					local flying_text_color = {r = 255, g = 255, b = 255}
					local text1 = '[color=1,1,1]+' .. thisPurchaseData.offer_giveitem_count .. '[/color] [item=' .. thisPurchaseData.offer_giveitem_name .. ']'
					local text2 = '[color=' .. flying_text_color.r .. ',' .. flying_text_color.g .. ',' .. flying_text_color.b .. '](' .. inv.get_item_count(thisPurchaseData.offer_giveitem_name) .. ')[/color]'

					Common.flying_text(player.surface, player.position, text1 .. '  [font=count-font]' .. text2 .. '[/font]')
				else
					local decay_param =  Balance.barter_decay_parameter()
					if thisPurchaseData.decay_type == 'fast_decay' then decay_param =  Balance.barter_decay_parameter()^3 end

					if not inv then return end
					local flying_text_color = {r = 255, g = 255, b = 255}
					local text1 = '[color=1,1,1]+' .. thisPurchaseData.offer_giveitem_count .. '[/color] [item=' .. thisPurchaseData.offer_giveitem_name .. ']'
					local text2 = '[color=' .. flying_text_color.r .. ',' .. flying_text_color.g .. ',' .. flying_text_color.b .. '](' .. inv.get_item_count(thisPurchaseData.offer_giveitem_name) .. ')[/color]'

					Common.flying_text(player.surface, player.position, text1 .. '  [font=count-font]' .. text2 .. '[/font]')

					--update market trades:
					thisPurchaseData.alloffers[offer_index].offer.count = Math.max(Math.floor(thisPurchaseData.alloffers[offer_index].offer.count * decay_param),1)

					market.clear_market_items()
					for _, offer in pairs(thisPurchaseData.alloffers) do
						market.add_market_item(offer)
					end
				end
			end
		end
	end

	if thisPurchaseData.offer_giveitem_name and thisPurchaseData.offer_giveitem_name == 'coin' and refunds < trade_count then
		memory.playtesting_stats.coins_gained_by_markets = memory.playtesting_stats.coins_gained_by_markets + thisPurchaseData.offer_giveitem_count
	end

	if (not memory.cliff_explosives_acquired_once) and thisPurchaseData.offer_type == 'give-item' and thisPurchaseData.offer_giveitem_name == 'cliff-explosives' and refunds < trade_count then
		memory.cliff_explosives_acquired_once = true
		Common.parrot_speak(memory.force, {'pirates.parrot_cliff_explosive_tip'})
	end
end


return Public