--[[
Copyright © 2013-2015, Giuliano Riccio
All rights reserved.

Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:

* Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
* Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
* Neither the name of findAll nor the
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.

THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL Giuliano Riccio BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
]]

_addon.name    = 'findAll'
_addon.author  = 'Zohno'
_addon.version = '1.20190514'
_addon.commands = {'findall'}

require('chat')
require('lists')
require('logger')
require('sets')
require('tables')
require('strings')
require('pack')

file  = require('files')
slips = require('slips')
config = require('config')
texts = require('texts')
res = require('resources')

defaults = {}
defaults.Track = ''
defaults.Tracker = {}
defaults.KeyItemDisplay = true

settings = config.load(defaults)

tracker = texts.new(settings.Track, settings.Tracker, settings)

do
    config.register(settings, function(settings)
        tracker:text(settings.Track)
        tracker:visible(settings.Track ~= '' and windower.ffxi.get_info().logged_in)
    end)

    local bag_ids = res.bags:rekey('english'):key_map(string.lower):map(table.get-{'id'})

    local variable_cache = S{}
    tracker:register_event('reload', function()
        for variable in tracker:it() do
            local bag_name, search = variable:match('(.*):(.*)')

            local bag = bag_name == 'all' and 'all' or bag_ids[bag_name:lower()]
            if not bag and bag_name ~= 'all' then
                warning('Unknown bag: %s':format(bag_name))
            else
                if not S{'$freespace', '$usedspace', '$maxspace'}:contains(search:lower()) then
                    local items = S(res.items:name(windower.wc_match-{search})) + S(res.items:name_log(windower.wc_match-{search}))
                    if items:empty() then
                        warning('No items matching "%s" found.':format(search))
                    else
                        variable_cache:add({
                            name = variable,
                            bag = bag,
                            type = 'item',
                            ids = items:map(table.get-{'id'}),
                            search = search,
                        })
                    end
                else
                    variable_cache:add({
                        name = variable,
                        bag = bag,
                        type = 'info',
                        search = search,
                    })
                end
            end
        end
    end)

    do
        local update = T{}

        local search_bag = function(bag, ids)
            return bag:filter(function(item)
                return type(item) == 'table' and ids:contains(item.id)
            end):reduce(function(acc, item)
                return type(item) == 'table' and item.count + acc or acc
            end, 0)
        end

        local last_check = 0

        windower.register_event('prerender', function()
            if os.clock() - last_check < 0.25 then
                return
            end
            last_check = os.clock()

            local items = T{}
            for variable in variable_cache:it() do
                if variable.type == 'info' then
                    local info
                    if variable.bag == 'all' then
                        info = {
                            max = 0,
                            count = 0
                        }
                        for bag_info in T(windower.ffxi.get_bag_info()):it() do
                            info.max = info.max + bag_info.max
                            info.count = info.count + bag_info.count
                        end
                    else
                        info = windower.ffxi.get_bag_info(variable.bag)
                    end

                    update[variable.name] =
                        variable.search == '$freespace' and (info.max - info.count)
                        or variable.search == '$usedspace' and info.count
                        or variable.search == '$maxspace' and info.max
                        or nil
                elseif variable.type == 'item' then
                    if variable.bag == 'all' then
                        for id in bag_ids:it() do
                            if not items[id] then
                                items[id] = T(windower.ffxi.get_items(id))
                            end
                        end
                    else
                        if not items[variable.bag] then
                            items[variable.bag] = T(windower.ffxi.get_items(variable.bag))
                        end
                    end

                    update[variable.name] = variable.bag ~= 'all' and search_bag(items[variable.bag], variable.ids) or items:reduce(function(acc, bag)
                        return acc + search_bag(bag, variable.ids)
                    end, 0)
                end
            end

            if not update:empty() then
                tracker:update(update)
            end
        end)
    end
end

zone_search            = windower.ffxi.get_info().logged_in
first_pass             = true
item_names             = T{}
key_item_names         = T{}
global_storages        = T{}
storages_path          = 'data/'
storages_order_tokens  = L{'temporary', 'inventory', 'wardrobe', 'wardrobe 2', 'safe', 'safe 2', 'storage', 'locker', 'satchel', 'sack', 'case'}
-- This is to maintain sorting order. I don't know why this was done, but omitting this will sort the bags arbitrarily, which (I guess) was not intended
storages_order         = S(res.bags:map(string.gsub-{' ', ''} .. string.lower .. table.get-{'english'})):sort(function(name1, name2)
    local index1 = storages_order_tokens:find(name1)
    local index2 = storages_order_tokens:find(name2)

    if not index1 and not index2 then
        return name1 < name2
    end

    if not index1 then
        return false
    end

    if not index2 then
        return true
    end

    return index1 < index2
end)
storage_slips_order    = L{'slip 01', 'slip 02', 'slip 03', 'slip 04', 'slip 05', 'slip 06', 'slip 07', 'slip 08', 'slip 09', 'slip 10', 'slip 11', 'slip 12', 'slip 13', 'slip 14', 'slip 15', 'slip 16', 'slip 17', 'slip 18', 'slip 19', 'slip 20', 'slip 21', 'slip 22', 'slip 23', 'slip 24', 'slip 25', 'slip 26', 'slip 27', 'slip 28'}
merged_storages_orders = storages_order + storage_slips_order + L{'key items'}

function search(query, export)    
    update_global_storage()
    update()
    if query:length() == 0 then
        return
    end

    local character_set    = S{}
    local character_filter = S{}
    local terms            = ''

    for _, query_element in ipairs(query) do
        local char = query_element:match('^([:!]%a+)$')
        if char then
            if char:sub(1, 1) == '!' then
                character_filter:add(char:sub(2):lower():gsub("^%l", string.upper))
            else
                character_set:add(char:sub(2):lower():gsub("^%l", string.upper))
            end
        else
            terms = query_element
        end
    end

    if character_set:length() == 0 and terms == '' then
        return
    end

    local new_item_ids = S{}
    local new_key_item_ids = S{}

    for character_name, storages in pairs(global_storages) do
        for storage_name, storage in pairs(storages) do
            if storage_name == 'key items' then
                for id, quantity in pairs(storage) do
                    id = tostring(id)

                    if key_item_names[id] == nil then
                        new_key_item_ids:add(id)
                    end
                end
            elseif storage_name ~= 'gil' then
                for id, quantity in pairs(storage) do
                    id = tostring(id)

                    if item_names[id] == nil then
                        new_item_ids:add(id)
                    end
                end
            end
            coroutine.yield()
        end
    end

    for id,_ in pairs(new_item_ids) do
        local item = res.items[tonumber(id)]
	    if item then
            item_names[id] = {
                ['name'] = item.name,
                ['long_name'] = item.name_log
            }
        end
    end

    for id,_ in pairs(new_key_item_ids) do
        local key_item = res.key_items[tonumber(id)]
	    if key_item then
            key_item_names[id] = {
                ['name'] = key_item.name,
                ['long_name'] = key_item.name
            }
        end
    end
    

    local results_items     = S{}
    local results_key_items = S{}
    local terms_pattern     = ''

    if terms ~= '' then
        terms_pattern = terms:escape():gsub('%a', function(char) return string.format("[%s%s]", char:lower(), char:upper()) end)
    end

    for id, names in pairs(item_names) do
        if terms_pattern == '' or item_names[id].name:find(terms_pattern)
            or item_names[id].long_name:find(terms_pattern)
        then
            results_items:add(id)
        end
    end
    
    if settings.KeyItemDisplay then
          for id in pairs(key_item_names) do
               if terms_pattern == '' or key_item_names[id].name:match(terms_pattern) then
                    results_key_items:add(id)
               end
          end
     end

    log('Searching: '..query:concat(' '))

    local no_results   = true
    local sorted_names = global_storages:keyset():sort()
                                                 :reverse()

    if windower.ffxi.get_info().logged_in then
        sorted_names = sorted_names:append(sorted_names:remove(sorted_names:find(windower.ffxi.get_player().name)))
                               :reverse()
    end

    local export_file

    if export ~= nil then
        export_file = io.open(windower.addon_path..'data/'..export, 'w')

        if export_file == nil then
            error('The file "'..export..'" cannot be created.')
        else
            export_file:write('"char";"storage";"item";"quantity"\n')
        end
    end

    local total_quantity = 0
    
    for _, character_name in ipairs(sorted_names) do
        if (character_set:length() == 0 or character_set:contains(character_name)) and not character_filter:contains(character_name) then
            local storages = global_storages[character_name]

            for _, storage_name in ipairs(merged_storages_orders) do
                local results = L{}

                if storage_name~= 'gil' and storages[storage_name] ~= nil then
                    for id, quantity in pairs(storages[storage_name]) do
                        if storage_name == 'key items' and results_key_items:contains(id) then
                            if terms_pattern ~= '' then
                                total_quantity = total_quantity + quantity
                                results:append(
                                    (character_name..'/'..storage_name..':'):color(259)..' '..
                                    key_item_names[id].name:gsub('('..terms_pattern..')', ('%1'):color(258))..
                                    (quantity > 1 and ' '..('('..quantity..')'):color(259) or '')
                                )
                            else
                                results:append(
                                    (character_name..'/'..storage_name..':'):color(259)..' '..key_item_names[id].name..
                                    (quantity > 1 and ' '..('('..quantity..')'):color(259) or '')
                                )
                            end

                            if export_file ~= nil then
                                export_file:write('"'..character_name..'";"'..storage_name..'";"'..key_item_names[id].name..'";"'..quantity..'"\n')
                            end

                            no_results = false
                        elseif storage_name ~= 'key items' and results_items:contains(id) then
                            if terms_pattern ~= '' then
                                total_quantity = total_quantity + quantity
                                results:append(
                                    (character_name..'/'..storage_name..':'):color(259)..' '..
                                    item_names[id].name:gsub('('..terms_pattern..')', ('%1'):color(258))..
                                    (item_names[id].name:match(terms_pattern) and '' or ' ['..item_names[id].long_name:gsub('('..terms_pattern..')', ('%1'):color(258))..']')..
                                    (quantity > 1 and ' '..('('..quantity..')'):color(259) or '')
                                )
                            else
                                results:append(
                                    (character_name..'/'..storage_name..':'):color(259)..' '..item_names[id].name..
                                    (quantity > 1 and ' '..('('..quantity..')'):color(259) or '')
                                )
                            end

                            if export_file ~= nil then
                                export_file:write('"'..character_name..'";"'..storage_name..'";"'..item_names[id].name..'";"'..quantity..'"\n')
                            end

                            no_results = false
                        end
                    end

                    results:sort()

                    for i, result in ipairs(results) do
                        log(result)
                    end
                end
                coroutine.yield()
            end
        end
    end

    if total_quantity > 0 then
        log('Total: ' .. total_quantity)
    end

    if export_file ~= nil then
        export_file:close()
        log('The results have been saved to "'..export..'"')
    end

    if no_results then
        if terms ~= '' then
            if character_set:length() == 0 and character_filter:length() == 0 then
                log('You have no items that match \''..terms..'\'.')
            else
                log('You have no items that match \''..terms..'\' on the specified characters.')
            end
        else
            log('You have no items on the specified characters.')
        end
    end
end

function get_local_storage()
    local items    = windower.ffxi.get_items()
    local storages = {}

    if not items then
        return false
    end

    storages.gil = items.gil

    for _, storage_name in ipairs(storages_order) do
        storages[storage_name] = T{}

        for _, data in ipairs(items[storage_name]) do
            if type(data) == 'table' then
				if data.id ~= 0 then
					local id = tostring(data.id)
					storages[storage_name][id] = (storages[storage_name][id] or 0) + data.count
				end
			end
        end
    end

    local slip_storages = slips.get_player_items()

    for _, slip_id in ipairs(slips.storages) do
        local slip_name     = 'slip '..tostring(slips.get_slip_number_by_id(slip_id)):lpad('0', 2)
        storages[slip_name] = T{}

        for _, id in ipairs(slip_storages[slip_id]) do
            storages[slip_name][tostring(id)] = 1
        end
    end
    
    local key_items= windower.ffxi.get_key_items()
    
    storages['key items'] = T{}
    
    for _, id in ipairs(key_items) do
        storages['key items'][tostring(id)] = 1
    end

    return storages
end

function encase_key(key)
    if type(key) == 'number' then
        return '['..tostring(key)..']'
    elseif type(key) == 'string' then
        return '["'..key..'"]'
    else
        return tostring(key)
    end
end

function make_table(tab,tab_offset)
    -- Won't work for circular references or keys containing double quotes
    local offset = " ":rep(tab_offset)
    local ret = "{\n"
    for i,v in pairs(tab) do
        ret = ret..offset..encase_key(i)..' = '
        if type(v) == 'table' then
            ret = ret..make_table(v,tab_offset+2)..',\n'
        else
            ret = ret..tostring(v)..',\n'
        end
    end
    return ret..offset..'}'
end

function update()
    if not windower.ffxi.get_info().logged_in then
        print('You have to be logged in to use this addon.')
        return false
    end

    if zone_search == false then
        notice('findAll has not detected a fully loaded inventory yet.')
        return false
	end

    local player_name   = windower.ffxi.get_player().name
    local self_storage  = file.new(storages_path..'\\'..player_name..'.lua')

    if not self_storage:exists() then
        self_storage:create()
    end
    
	local local_storage = get_local_storage()

	if local_storage then
		global_storages[player_name] = local_storage
	else
		return false
	end
    
    self_storage:write('return '..make_table(local_storage,0)..'\n')
    collectgarbage()
    return true
end


function update_global_storage()
    local player_name   = windower.ffxi.get_player().name
    
    global_storages = T{} -- global_storages[server str][character_name str][inventory_name str][item_id num] = count num
    
    for _,f in pairs(windower.get_dir(windower.addon_path.."\\"..storages_path)) do
        if f:sub(-4) == '.lua' and f:sub(1,-5) ~= player_name then
            local success,result = pcall(dofile,windower.addon_path..'\\'..storages_path..'\\'..f)
            if success then
                global_storages[f:sub(1,-5)] = result
            else
                warning('Unable to retrieve updated item storage for %s.':format(f:sub(1,-5)))
            end
        end
    end
end

windower.register_event('load', update:cond(function() return windower.ffxi.get_info().logged_in end))

windower.register_event('incoming chunk', function(id,original,modified,injected,blocked)
    local seq = original:unpack('H',3)
	if (next_sequence and seq == next_sequence) and zone_search then
		update()
        next_sequence = nil
	end

	if id == 0x00B then -- Last packet of an old zone
        zone_search = false
    elseif id == 0x00A then -- First packet of a new zone, redundant because someone could theoretically load findAll between the two
		zone_search = false
	elseif id == 0x01D and not zone_search then
	-- This packet indicates that the temporary item structure should be copied over to
	-- the real item structure, accessed with get_items(). Thus we wait one packet and
	-- then trigger an update.
        zone_search = true
		next_sequence = (seq+22)%0x10000 -- 128 packets is about 1 minute. 22 packets is about 10 seconds.
    elseif (id == 0x1E or id == 0x1F or id == 0x20) and zone_search then
    -- Inventory Finished packets aren't sent for trades and such, so this is more
    -- of a catch-all approach. There is a subtantial delay to avoid spam writing.
    -- The idea is that if you're getting a stream of incoming item packets (like you're gear swapping in an intense fight),
    -- then it will keep putting off triggering the update until you're not.
        next_sequence = (seq+22)%0x10000
	end
end)

windower.register_event('ipc message', function(str)
    if str == 'findAll update' then
        update()
    end
end)

handle_command = function(...)
    if first_pass then
        first_pass = false
        windower.send_ipc_message('findAll update')
        windower.send_command('wait 0.05;findall '..table.concat({...},' '))
    else
        first_pass = true
        local params = L{...}
        local query  = L{}
        local export = nil

        -- convert command line params (SJIS) to UTF-8
        for i, elm in ipairs(params) do
            params[i] = windower.from_shift_jis(elm)
        end

        while params:length() > 0 and params[1]:match('^[:!]%a+$') do
            query:append(params:remove(1))
        end

        if params:length() > 0 then
            export = params[params:length()]:match('^--export=(.+)$') or params[params:length()]:match('^-e(.+)$')

            if export ~= nil then
                export = export:gsub('%.csv$', '')..'.csv'

                params:remove(params:length())

                if export:match('['..('\\/:*?"<>|'):escape()..']') then
                    export = nil

                    error('The filename cannot contain any of the following characters: \\ / : * ? " < > |')
                end
            end

            query:append(params:concat(' '))
        end

        search(query, export)
    end
end

windower.register_event('unhandled command', function(command, ...)
    if command:lower() == 'find' then
        local me = windower.ffxi.get_mob_by_target('me')
        if me then
            handle_command(':%s':format(me.name), ...)
        else
            handle_command(...)
        end
    end
end)

windower.register_event('addon command', handle_command)