local alpha_order = {'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm'}
local graphics_location = '__PHI-MB__/graphics/'

local items = {'assembling-machine', 'electric-furnace', 'chemical-plant', 'oil-refinery'}

local item_min = {
    ['assembling-machine'] = 4,
    ['electric-furnace'] = 2,
    ['chemical-plant'] = 2,
    ['oil-refinery'] = 2
}

local item_max = {
    ['assembling-machine'] = 5,
    ['electric-furnace'] = 3,
    ['chemical-plant'] = 3,
    ['oil-refinery'] = 3
}

local recipe_list = {
    'sulfuric-acid',
    'basic-oil-processing',
    'advanced-oil-processing',
    'coal-liquefaction',
    'heavy-oil-cracking',
    'light-oil-cracking',
    'solid-fuel-from-light-oil',
    'solid-fuel-from-heavy-oil',
    'solid-fuel-from-petroleum-gas',
    'lubricant',

    'iron-plate',
    'copper-plate',
    'steel-plate',
    'stone-brick',

    'sulfur',
    'plastic-bar',
    'explosives',
    'battery',

    'empty-barrel',
    'copper-cable',
    'iron-stick',
    'iron-gear-wheel',

    'electronic-circuit',
    'advanced-circuit',
    'processing-unit',

    'engine-unit',
    'electric-engine-unit',
    'flying-robot-frame',

    'low-density-structure',
    'rocket-fuel',
    'rocket-control-unit',
    'rocket-part',

    'automation-science-pack',
    'logistic-science-pack',
    'chemical-science-pack',
    'military-science-pack',
    'production-science-pack',
    'utility-science-pack',

    'uranium-processing',
    'kovarex-enrichment-process',
    'uranium-fuel-cell',
    'nuclear-fuel',
    'nuclear-fuel-reprocessing',

    'inserter',
    'transport-belt',
    'grenade',
    'firearm-magazine',
    'piercing-rounds-magazine',
    'stone-wall',
    'rail',
    'electric-furnace',
    'solid-fuel-from-heavy-oil',
    'solid-fuel-from-light-oil',
    'solid-fuel-from-petroleum-gas',

    'speed-module',
    'speed-module-2',
    'speed-module-3',
    'productivity-module',
    'productivity-module-2',
    'productivity-module-3',
    'effectivity-module',
    'effectivity-module-2',
    'effectivity-module-3',

    'fast-inserter',
    'stack-inserter',
    'stack-filter-inserter',
    'filter-inserter',

    'underground-belt',
    'fast-transport-belt',
    'fast-underground-belt',
    'fast-splitter',
    'express-transport-belt',
    'express-underground-belt',
    'express-splitter'
}

-- entity
local function EE(source, tier)
    local item

    if source == 'assembling-machine' then
        item = table.deepcopy(data.raw['assembling-machine']['assembling-machine-3'])
    elseif source == 'electric-furnace' then
        item = table.deepcopy(data.raw['furnace']['electric-furnace'])
    else
        item = table.deepcopy(data.raw['assembling-machine'][source])
    end
    
    item.name = source .. '-' .. tier
    item.minable.result = source .. '-' .. tier
    item.max_health = item.max_health * (2 ^ (tier - item_min[source] + 1))
    item.crafting_speed = item.crafting_speed * (2 ^ (tier - item_min[source] + 1))
    item.energy_source.emissions_per_minute = item.energy_source.emissions_per_minute * (2 ^ (tier - item_min[source] + 1))
    item.energy_usage = tonumber(string.match(item.energy_usage, '%d+')) * (2 ^ (tier - item_min[source] + 1)) .. 'kW'
    -- item.animation.layers[1].filename = graphics_location .. source .. '-e.png'
    -- item.animation.layers[1].hr_version.filename = graphics_location .. source ..'-eh.png'
    -- item.icon = graphics_location .. source .. '-i.png'
    -- item.icon_size = 64
    -- item.icon_mipmaps = 4

    if (tier <= item_max[source] - 1) then
        item.next_upgrade = source .. '-' .. (tier + 1)
    end
    
    data:extend({item})
end

-- item
local function EI(source, tier)
    local item

    if source == 'assembling-machine' then
        item = table.deepcopy(data.raw.item['assembling-machine-3'])
    else
        item = table.deepcopy(data.raw.item[source])
    end

    item.name = source .. '-' .. tier
    item.place_result = source .. '-' .. tier
    item.icons = {{icon = graphics_location .. source .. '-i.png', icon_mipmaps = 4, icon_size = 64}}
    item.order = item.order .. tier
    data:extend({item})
end

-- recipe
local function ER(source, tier)
    local na = source

    if (tier >= 3) then
        na = na .. '-' .. (tier - 1)
    end

    data:extend({{
        type = 'recipe',
        name = source .. '-' .. tier,
        energy_required = 5,
        enabled = false,
        ingredients = {{na, 2}},
        result = source .. '-' .. tier,
    }})
end

for i=1, #items, 1 do
    for j=item_min[items[i]], item_max[items[i]], 1 do
        EE(items[i], j)
        EI(items[i], j)
        ER(items[i], j)
    end
end

table.insert(data.raw['technology']['compound-energy-1'].effects, {type='unlock-recipe',recipe='assembling-machine-4'})
table.insert(data.raw['technology']['compound-energy-1'].effects, {type='unlock-recipe',recipe='electric-furnace-2'})
table.insert(data.raw['technology']['compound-energy-1'].effects, {type='unlock-recipe',recipe='chemical-plant-2'})
table.insert(data.raw['technology']['compound-energy-1'].effects, {type='unlock-recipe',recipe='oil-refinery-2'})

table.insert(data.raw['technology']['compound-energy-2'].effects, {type='unlock-recipe',recipe='assembling-machine-5'})
table.insert(data.raw['technology']['compound-energy-2'].effects, {type='unlock-recipe',recipe='electric-furnace-3'})
table.insert(data.raw['technology']['compound-energy-2'].effects, {type='unlock-recipe',recipe='chemical-plant-3'})
table.insert(data.raw['technology']['compound-energy-2'].effects, {type='unlock-recipe',recipe='oil-refinery-3'})

-- item.group == intermediate-product

for _, recipe in pairs(data.raw['recipe']) do
    if recipe_list[recipe.name] ~= nil then
        local energy_required
        local ingredients_1 = {}
        local ingredients_2 = {}
        local results_1 = {}
        local results_2 = {}

        if recipe.energy_required ~= nil then
            energy_required = recipe.energy_required * 4
        else
            energy_required = 2
        end

        for k, v in pairs(recipe.ingredients) do
            table.insert(ingredients_1, {recipe.ingredients[k], v * 4})
            table.insert(ingredients_2, {recipe.ingredients[k], v * 16})
        end
    
        if recipe.results ~= nil then
            for k, v in pairs(recipe.results) do
                table.insert(results_1, {recipe.results[k], v * 4})
                table.insert(results_2, {recipe.results[k], v * 16})
            end

            data:extend({{
                type = 'recipe',
                name = recipe.name .. ' 4x',
                energy_required = energy_required,
                enabled = true,
                ingredients = ingredients_1,
                results = results_1
            }})
        
            data:extend({{
                type = 'recipe',
                name = recipe.name .. ' 16x',
                energy_required = energy_required * 4,
                enabled = true,
                ingredients = ingredients_2,
                results = results_2
            }})

        else
            data:extend({{
                type = 'recipe',
                name = recipe.name .. ' 4x',
                energy_required = energy_required,
                enabled = true,
                ingredients = ingredients_1,
                result = recipe.result,
                result_count = recipe.result_count * 4
            }})
        
            data:extend({{
                type = 'recipe',
                name = recipe.name .. ' 16x',
                energy_required = energy_required * 4,
                enabled = true,
                ingredients = ingredients_2,
                result = recipe.result,
                result_count = recipe.result_count * 16,
            }})
        end
    elseif (recipe.name == 'loader') or (recipe.name == 'fast-loader') or (recipe.name == 'express-loader') then
        recipe.enabled = true
        recipe.hidden = false
    end
end