local alpha_order = {'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm'}
local items = require 'config'
local main = {}

local function tint_handle(item, tier, tl)
    for _, ve in pairs(tl) do
        if item[ve] then
            for _, tc in pairs({'layers', 'sheets', 'structure', 'frames'}) do
                if item[ve][tc] and type(item[ve][tc]) == 'table' then
                    for _, v2 in pairs(item[ve][tc]) do
                        v2.tint = items['tint'][tier]

                        if v2.frames then
                            for _, v3 in pairs(v2.frames) do
                                v3.tint = items['tint'][tier]
                            end
                        end
                    end
                end
            end

            item[ve].tint = items['tint'][tier]
        end
    end
end

-- entity
function main.EEE(source, tier)
    local item = table.deepcopy(data.raw[source.type][source.ref_name])

    item.name = source.name .. '-' .. tier
    item.minable.result = item.name
    item.max_health = item.max_health * (tier - source.min + 2)

    if (tier < source.max) then
        item.next_upgrade = source.name .. '-' .. (tier + 1)
    end

    for _, v in pairs({'production', 'energy_usage', 'heating_energy', 'crane_energy_usage', 'energy_per_shot'}) do
        if item[v] then
            item[v] = tonumber(string.match(item[v], '[%d%.]+')) * (2 ^ (tier - source.min + 1)) .. (string.match(item[v], '%a+') or '')
        end
    end

    for _, v in pairs({'researching_speed', 'mining_speed', 'crafting_speed'}) do
        if item[v] then
            item[v] = tonumber(string.match(item[v], '[%d%.]+')) * (2 ^ (tier - source.min + 1))
        end
    end

    if item.energy_source then
        for _, v in pairs({'buffer_capacity', 'input_flow_limit', 'output_flow_limit'}) do
            if item.energy_source[v] then
                item.energy_source[v] = tonumber(string.match(item.energy_source[v], '[%d%.]+')) * (2 ^ (tier - source.min + 1)) .. string.match(item.energy_source[v], '%a+')
            end
        end

        if item.energy_source.emissions_per_minute then
            if source.tech == 'compound-energy' then
                if (source.type == 'boiler') or (source.name == 'kr-gas-power-station') then
                    for k, _ in pairs(item.energy_source.emissions_per_minute) do
                        item.energy_source.emissions_per_minute[k] = item.energy_source.emissions_per_minute[k] * (tier - source.min + 2)
                    end

                else
                    for k, _ in pairs(item.energy_source.emissions_per_minute) do
                        item.energy_source.emissions_per_minute[k] = item.energy_source.emissions_per_minute[k] * (2 ^ (tier - source.min + 1))
                    end
                end

            else
                for k, _ in pairs(item.energy_source.emissions_per_minute) do
                    item.energy_source.emissions_per_minute[k] = item.energy_source.emissions_per_minute[k] * (2 ^ (tier - source.min + 1))
                end
            end
        end
    end

    if (source.type == 'electric-turret') or (source.type == 'ammo-turret') or (source.type == 'fluid-turret') then
        if item.attack_parameters then
            item.attack_parameters.damage_modifier = 2 ^ (tier - source.min + 1)
            item.attack_parameters.range = item.attack_parameters.range + (2 * (tier - source.min + 1))

            if item.attack_parameters.cooldown then
                item.attack_parameters.cooldown = item.attack_parameters.cooldown * ((24 - tier + source.min) / 25)
            end
        end

        if item.call_for_help_radius then
            item.call_for_help_radius = item.call_for_help_radius + (2 * (tier - source.min + 1))
        end

        if source.type == 'electric-turret' then
            item.glow_light_intensity = 1

            if item.attack_parameters then
                if item.attack_parameters.damage_modifier and source.name == 'laser-turret' then
                    item.attack_parameters.damage_modifier = item.attack_parameters.damage_modifier * 2
                end

                if item.attack_parameters.ammo_type then
                    if item.attack_parameters.ammo_type.action and item.attack_parameters.ammo_type.action.action_delivery and item.attack_parameters.ammo_type.action.action_delivery.max_length then
                        item.attack_parameters.ammo_type.action.action_delivery.max_length = item.attack_parameters.ammo_type.action.action_delivery.max_length + (2 * (tier - source.min + 1))
                    end

                    if item.attack_parameters.ammo_type.energy_consumption then
                        item.attack_parameters.ammo_type.energy_consumption = tonumber(string.match(item.attack_parameters.ammo_type.energy_consumption, '[%d%.]+')) * (2 ^ (tier - source.min + 1)) .. string.match(item.attack_parameters.ammo_type.energy_consumption, '%a+')
                    end
                end
            end

        elseif source.type == 'fluid-turret' then
            item.prepare_range = item.prepare_range + (2 * (tier - source.min + 1))
        end
    end

    if source.tech == 'compound-energy' then
        if (source.type == 'accumulator') and item['chargable_graphics'] then
            if item['chargable_graphics']['picture'].layers and item['chargable_graphics']['picture'].layers[1] then
                item['chargable_graphics']['picture'].layers[1].tint = items['tint'][tier]
            end

            for _, v in pairs({item['chargable_graphics']['charge_animation'], item['chargable_graphics']['discharge_animation']}) do
                if v.layers and v.layers[1] and v.layers[1].layers and v.layers[1].layers[1] then
                    v.layers[1].layers[1].tint = items['tint'][tier]
                end
            end

            for _, v in pairs({'buffer_capacity', 'input_flow_limit', 'output_flow_limit'}) do
                if item.energy_source[v] then
                    item.energy_source[v] = tonumber(string.match(item.energy_source[v], '[%d%.]+')) * (2 ^ (tier - source.min + 1)) .. string.match(item.energy_source[v], '%a+')
                end
            end

        elseif (source.type == 'solar-panel') then
            item.production = tostring(tonumber(string.match(item.production, '[%d%.]+')) * (2 ^ (tier - source.min + 1))) .. string.match(item.production, '%a+')

        elseif (source.type == 'boiler') then
            item.energy_consumption = tostring(tonumber(string.match(item.energy_consumption, '[%d%.]+')) * tier) .. string.match(item.energy_consumption, '%a+')
            item.target_temperature = 15 + ((item.target_temperature - 15) * tier)

            if (source.name == 'heat-exchanger') then
                item.energy_source.min_working_temperature = 15 + ((item.energy_source.min_working_temperature - 15) * tier)
                item.energy_source.max_temperature = item.energy_source.max_temperature * tier
                item.energy_source.max_transfer = tostring(tonumber(string.match(item.energy_source.max_transfer, '[%d%.]+')) * tier) .. string.match(item.energy_source.max_transfer, '%a+')
            end

        elseif (source.type == 'generator') then
            if item.max_power_output then
                item.max_power_output = (tonumber(string.match(item.max_power_output, '[%d%.]+')) * (tier - source.min + 2)) .. string.match(item.max_power_output, '%a+')
            end

            if item.maximum_temperature then
                item.maximum_temperature = 15 + ((item.maximum_temperature - 15) * tier)
            end

        elseif (source.type == 'reactor') then
            item.consumption = tostring(tonumber(string.match(item.consumption, '[%d%.]+')) * tier) .. string.match(item.consumption, '%a+')
            item.heat_buffer.max_temperature = item.heat_buffer.max_temperature * tier
            item.heat_buffer.max_transfer = tostring(tonumber(string.match(item.heat_buffer.max_transfer, '[%d%.]+')) * tier)  .. string.match(item.heat_buffer.max_transfer, '%a+')

            tint_handle(item, tier, {'connection_patches_connected', 'connection_patches_disconnected', 'heat_connection_patches_connected', 'heat_connection_patches_disconnected', 'lower_layer_picture'})

        elseif (source.type == 'fusion-reactor') then
            item.power_input = tostring(tonumber(string.match(item.power_input, '[%d%.]+')) * tier) .. string.match(item.power_input, '%a+')
            item.max_fluid_usage = item.max_fluid_usage * tier

        elseif (source.type == 'fusion-generator') then
            item.energy_source.output_flow_limit = tostring(tonumber(string.match(item.energy_source.output_flow_limit, '[%d%.]+')) * tier) .. string.match(item.energy_source.output_flow_limit, '%a+')
            item.max_fluid_usage = item.max_fluid_usage * tier

        elseif (source.type == 'heat-pipe') then
            item.heat_buffer.max_temperature = item.heat_buffer.max_temperature * tier
            item.heat_buffer.max_transfer = tostring(tonumber(string.match(item.heat_buffer.max_transfer, '[%d%.]+')) * tier)  .. string.match(item.heat_buffer.max_transfer, '%a+')

            tint_handle(item, tier, {'connection_sprites', 'heat_glow_sprites'})
        end
    end

    if (source.type == 'lab') then
        for _, v in pairs({{['a'] = 'on_animation', ['n'] = 3}, {['a'] = 'off_animation', ['n'] = 2}}) do
            if item[v['a']] and item[v['a']].layers then
                for i=1, v['n'], 1 do
                    if item[v['a']].layers[i] then
                        item[v['a']].layers[i].tint = items['tint'][tier]
                    end
                end
            end
        end

    elseif (source.type == 'mining-drill') then
        for _, e in pairs({'graphics_set', 'wet_mining_graphics_set'}) do
            if item[e] and item[e].animation then
                for _, d in pairs(item[e].animation) do
                    if d.layers then
                        d.layers[1].tint = items['tint'][tier]
                        d.layers[2].tint = items['tint'][tier]
                    end
                end
            end
        end

    elseif source.type == 'radar' then
        item.max_distance_of_sector_revealed = item.max_distance_of_sector_revealed + (2 * (tier - source.min + 1))
        item.max_distance_of_nearby_sector_revealed = item.max_distance_of_nearby_sector_revealed + (2 * (tier - source.min + 1))

    elseif source.type == 'thruster' then
        for _, v in pairs({'min_performance', 'max_performance'}) do
            if item[v] and item[v].fluid_usage then
                item[v].fluid_usage = item[v].fluid_usage * (2 ^ (tier - source.min + 1))
            end
        end

    elseif source.type == 'reactor' and source.name == 'heating-tower' then
        item.consumption = tostring(tonumber(string.match(item.consumption, '[%d%.]+')) * tier) .. string.match(item.consumption, '%a+')

    elseif source.type == 'agricultural-tower' then
        item.radius = item.radius + (1 * (tier - source.min + 1))
    end

    tint_handle(item, tier, {'picture', 'pictures', 'animation', 'structure', 'integration_patch', 'horizontal_animation', 'vertical_animation'})

    for _, v in pairs({'graphics_set', 'graphics_set_flipped'}) do
        if item[v] then
            tint_handle(item[v], tier, {'animation', 'idle_animation', 'frozen_patch'})

            if item[v].working_visualisations then
                tint_handle(item[v].working_visualisations, tier, {'north_animation', 'east_animation', 'south_animation', 'west_animation', 'animation'})
            end
        end
    end

    if item.idle_animation and item.idle_animation.layers then
        local i = 1

        while i < #item.idle_animation.layers do
            if item.idle_animation.layers[i] then
                item.idle_animation.layers[i].tint = items['tint'][tier]
            end

            i = i + 2

            if not item.idle_animation.layers[i] then
                break
            end
        end
    end

    if item.base_picture and item.base_picture.sheets then
        item.base_picture.sheets[1].tint = items['tint'][tier]
    end

    if tier > 1 then
        item.localised_name = {'phi-cl.combine', {'name.' .. source.ref_name}, tostring(tier)}

    else
        item.localised_name = {'name.' .. source.ref_name}
    end

    data:extend({item})
end

-- equipment
function main.EEQ(source, tier)
    local item = table.deepcopy(data.raw[source.type][source.ref_name])

    item.name = source.name .. '-mk' .. tier .. '-equipment'
    item.take_result = source.name .. '-mk' .. tier .. '-equipment'

    for _, v in pairs({'power', 'energy_consumption', 'energy_input', 'charging_energy'}) do
        if item[v] then
            item[v] = tostring(tonumber(string.match(item[v], '[%d%.]+')) * (2 ^ (tier - source.min + 1))) .. string.match(item[v], '%a+')
        end
    end

    if item.energy_source then
        for _, v in pairs({'buffer_capacity', 'input_flow_limit', 'output_flow_limit'}) do
            if item.energy_source[v] then
                item.energy_source[v] = tostring(tonumber(string.match(item.energy_source[v], '[%d%.]+')) * (2 ^ (tier - source.min + 1))) .. string.match(item.energy_source[v], '%a+')
            end
        end
    end

    for _, v in pairs({'max_shield_value', 'movement_bonus', 'inventory_size_bonus'}) do
        if item[v] then
            item[v] = item[v] * (2 ^ (tier - source.min + 1))
        end
    end

    if item.darkness_to_turn_on and item.color_lookup then
        item.darkness_to_turn_on = 0
        item.color_lookup = {{0, '__core__/graphics/color_luts/lut-sunset.png'}}
    end

    if item.attack_parameters then
        if item.attack_parameters.cooldown then
            item.attack_parameters.cooldown = item.attack_parameters.cooldown * ((24 - tier + source.min) / 25)
        end

        if item.attack_parameters.damage_modifier then
            item.attack_parameters.damage_modifier = item.attack_parameters.damage_modifier * (2 ^ (tier - source.min + 1))
        end

        if item.attack_parameters.ammo_type then
            if item.attack_parameters.ammo_type.energy_consumption then
                item.attack_parameters.ammo_type.energy_consumption = tostring(tonumber(string.match(item.attack_parameters.ammo_type.energy_consumption, '[%d%.]+')) * (2 ^ (tier - source.min + 1))) .. string.match(item.attack_parameters.ammo_type.energy_consumption, '%a+')
            end

            if item.attack_parameters.ammo_type.action_delivery then
                item.attack_parameters.ammo_type.action_delivery.max_length = item.attack_parameters.ammo_type.action_delivery.max_length + (tier - source.min + 1)
            end
        end

        if item.attack_parameters.range then
            item.attack_parameters.range = item.attack_parameters.range + (tier - source.min + 1)
        end
    end

    if item.sprite then
        item.sprite.tint = items['tint'][tier]
    end

    item.localised_name = {'phi-cl.combine-gen', {'name.' .. source.ref_name}, tostring(tier)}

    if settings.startup['PHI-EQ-SIZE'].value then
        item.shape = {
            width = 1,
            height = 1,
            type = 'full',
            points = {{0, 0}}
        }
    end

    data:extend({item})
end

-- item
function main.EI(source, tier)
    local item = table.deepcopy(data.raw.item[source.ref_name])

    if source.category == 'equipment' then
        item.name = source.name .. '-mk' .. tier .. '-equipment'
        item.place_as_equipment_result = source.name .. '-mk' .. tier .. '-equipment'

    else
        if tier > 1 then
            item.name = source.name .. '-' .. tier
            item.place_result = source.name .. '-' .. tier

        else
            item.name = source.name
            item.place_result = source.name
        end
    end

    if item.icons and item.icons[1] then
        item.icons[1].tint = items['tint'][tier]

    elseif item.icon then
        item.icons = {
            {
                icon = item.icon,
                tint = items['tint'][tier]
            }
        }

        item.icon = nil

        if item.icon_size then
            item.icons[1].icon_size = item.icon_size
            item.icon_size = nil
        end
    end

    item.order = item.order .. tier

    if tier > 1 then
        item.localised_name = {'phi-cl.combine', {'name.' .. source.ref_name}, tostring(tier)}

    else
        item.localised_name = {'name.' .. source.ref_name}
    end

    data:extend({item})
end

-- recipe
function main.ER(source, tier)
    local new_name = source.name
    local ingredient_name = source.name
    local result_name = source.name
    local icons = {
        {
            icon = data.raw.item[source.ref_name].icon,
            tint = items['tint'][tier]
        }
    }

    if source.category == 'equipment' then
        if (tier == 2) then
            ingredient_name = ingredient_name .. '-equipment'

        else
            ingredient_name = ingredient_name .. '-mk' .. (tier - 1) .. '-equipment'
        end

        new_name = new_name .. '-mk' .. tier .. '-equipment'
        result_name = result_name .. '-mk' .. tier .. '-equipment'

    else
        if tier > 2 then
            ingredient_name = ingredient_name .. '-' .. (tier - 1)
        end

        new_name = new_name .. '-' .. tier
        result_name = result_name .. '-' .. tier
    end

    if (source.tech == 'compound-energy') then
        if (source.type == 'solar-panel') or (source.type == 'accumulator') then
            data:extend({{
                type = 'recipe',
                name = new_name,
                icons = icons,
                energy_required = 2,
                enabled = false,
                ingredients = {{type='item', name=ingredient_name, amount=4}},
                results = {{type='item', name=result_name, amount=1}},
                main_product = result_name,
                localised_name = {'phi-cl.combine', data.raw[source.type][new_name].localised_name, ''}
            }})

        else
            if tier > 2 then
                data:extend({{
                    type = 'recipe',
                    name = new_name,
                    icons = icons,
                    energy_required = 2,
                    enabled = false,
                    ingredients = {{type='item', name=ingredient_name, amount=1}, {type='item', name=source.name, amount=1}},
                    results = {{type='item', name=result_name, amount=1}},
                    main_product = result_name,
                    localised_name = {'phi-cl.combine', data.raw[source.type][new_name].localised_name, ''}
                }})

            else
                data:extend({{
                    type = 'recipe',
                    name = new_name,
                    icons = icons,
                    energy_required = 2,
                    enabled = false,
                    ingredients = {{type='item', name=ingredient_name, amount=2}},
                    results = {{type='item', name=result_name, amount=1}},
                    main_product = result_name,
                    localised_name = {'phi-cl.combine', data.raw[source.type][new_name].localised_name, ''}
                }})
            end
        end

    else
        data:extend({{
            type = 'recipe',
            name = new_name,
            icons = icons,
            energy_required = 2,
            enabled = false,
            ingredients = {{type='item', name=ingredient_name, amount=2}},
            results = {{type='item', name=result_name, amount=1}},
            main_product = result_name,
            localised_name = {'phi-cl.combine', data.raw[source.type][new_name].localised_name, ''}
        }})
    end
end

-- technology
function main.ET(source, tier)
    if (source.tech == 'compound-energy') then
        table.insert(data.raw.technology['compound-energy-' .. (tier - 1)].effects, {type='unlock-recipe', recipe=source.name .. '-' .. tier})

    elseif data.raw.technology[source.tech] then
        local recipe_name = source.name

        if source.category == 'equipment' then
            recipe_name = recipe_name .. '-mk' .. tier .. '-equipment'

        else
            recipe_name = recipe_name .. '-' .. tier
        end

        table.insert(data.raw.technology[source.tech].effects, {type='unlock-recipe', recipe=recipe_name})

        if source.type == 'ammo-turret' or source.type == 'fluid-turret' then
            for i=1, #items['research_modifier'][source.type], 1 do
                for j=1, #data.raw.technology[items['research_modifier'][source.type][i]].effects, 1 do
                    if (data.raw.technology[items['research_modifier'][source.type][i]].effects[j].type == 'turret-attack') then
                        if (data.raw.technology[items['research_modifier'][source.type][i]].effects[j].turret_id == source.ref_name) then
                            table.insert(data.raw.technology[items['research_modifier'][source.type][i]].effects, {type='turret-attack', turret_id=source.name .. '-' .. tier, modifier=data.raw.technology[items['research_modifier'][source.type][i]].effects[j].modifier})
                        end
                    end
                end
            end
        end
    end
end

-- fast replace group
function main.EL(source)
    if not data.raw[source.type][source.ref_name].fast_replaceable_group then
        data.raw[source.type][source.ref_name].fast_replaceable_group = source.ref_name
    end

    if source.max > 2 then
        data.raw[source.type][source.name .. '-' .. 2].fast_replaceable_group = data.raw[source.type][source.ref_name].fast_replaceable_group
    end

    if source.max > source.min then
        for j=source.min + 1, source.max do
            data.raw[source.type][source.name .. '-' .. j].fast_replaceable_group = data.raw[source.type][source.name .. '-' .. (j - 1)].fast_replaceable_group
        end
    end
end

-- entity category
function main.EEEC(source, tier)
    local item_name = source.name .. '-' .. tier

    if not data.raw[source.type][source.ref_name] then
        return
    end

    if data.raw[source.type][source.ref_name].crafting_categories then
        data.raw[source.type][item_name].crafting_categories = {}

        for i=1, #data.raw[source.type][source.ref_name].crafting_categories do
            table.insert(data.raw[source.type][item_name].crafting_categories, data.raw[source.type][source.ref_name].crafting_categories[i])
        end
    end

    if data.raw[source.type][source.ref_name].resource_categories then
        data.raw[source.type][item_name].resource_categories = {}

        for i=1, #data.raw[source.type][source.ref_name].resource_categories do
            table.insert(data.raw[source.type][item_name].resource_categories, data.raw[source.type][source.ref_name].resource_categories[i])
        end
    end

    if data.raw[source.type][source.ref_name].fuel_categories then
        data.raw[source.type][item_name].fuel_categories = table.deepcopy(data.raw[source.type][source.ref_name].fuel_categories)
    end

    if data.raw[source.type][source.ref_name].allowed_effects then
        data.raw[source.type][item_name].allowed_effects = table.deepcopy(data.raw[source.type][source.ref_name].allowed_effects)
    end
end

return main