Module:Chem box

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Uses JSON data

This module uses JSON data pages:

• Module:Chem box/chem data.json

Implements {{chem box}}.

---

local p = {} --p stands for package
local getArgs = require('Module:Arguments').getArgs
local yesNo = require('Module:Yesno')

local chem_data = mw.loadJsonData("User:UpAndLeaves/chemData.json")

local current_frame = mw.getCurrentFrame()

local beaker_el = current_frame:expandTemplate {
    title = 'Beaker'
}

-- ====================


local function numeric_table_length(t)
    local count = 0
    for _ in ipairs(t) do count = count + 1 end
    return count
end

local function table_length(t)
    local count = 0
    for _ in pairs(t) do count = count + 1 end
    return count
end

local function table_has_value(tab, val)
    for _, value in ipairs(tab) do
        if value == val then
            return true
        end
    end

    return false
end

local function assert_value_not_nil(value, error_message)
    if value == nil then
        if error_message == nil then
            error("value is nil")
        else
            error(error_message)
        end
    end
end

-- Makes the first letter uppercase.
-- Source: https://stackoverflow.com/a/2421746
local function capitalize(str)
    return (str:gsub("^%l", string.upper))
end

local function passthrough_assert_true(value, valueToReturnIfTrue, errorMessageOnFalse)
    if value then
        return valueToReturnIfTrue
    else
        error(errorMessageOnFalse)
    end
end

local function find_first_numeric_table_item_matching_condition(table, condition)
    for i, item in ipairs(table) do
        if condition(item, i, table) then
            return item
        end
    end
end

-- table concat function because ofcourse fucking table.concat doesn't work
local function concat_numberic_table(tbl, sep)
    local temp_table = {}
    for i = 1, numeric_table_length(tbl) do
        table.insert(temp_table, tbl[i])
    end

    return table.concat(temp_table, sep)
end

-- ====================

-- Lookups reagent by ID or name.
--
-- Raises an error if no reagent was found.
-- Set `no_error` to `true` to return `nil` instead.
function p.lookup_reagent(query, no_error)
    for _, reagent in ipairs(chem_data) do
        assert_value_not_nil(reagent.id)
        assert_value_not_nil(reagent.name)

        if reagent.id == query then return reagent end
        if reagent.name == query then return reagent end
    end

    return passthrough_assert_true(
        no_error,
        nil,
        "failed to lookup reagent: no match was found"
    )
end

-- ====================

function p.generate_chem_box(frame)
    local args = getArgs(frame)

    local query = args[1]
    assert_value_not_nil(query, "failed to generate chem box: query was not provided")

    -- ===================

    local reagent = p.lookup_reagent(query)
    assert_value_not_nil(reagent.color)
    assert_value_not_nil(reagent.name)
    assert_value_not_nil(reagent.recipes)
    assert_value_not_nil(reagent.effects)
    assert_value_not_nil(reagent.desc)
    assert_value_not_nil(reagent.physicalDesc)

    local recipes_container_el = mw.html.create("div")
    for _, recipe in ipairs(reagent.recipes) do
        assert_value_not_nil(recipe.id)
        assert_value_not_nil(recipe.reactants)
        assert_value_not_nil(recipe.products)

        local recipe_box_template_args = {}
        recipe_box_template_args.name = recipe.id

        for reactant_i, reactant in ipairs(recipe.reactants) do
            local component_el = current_frame:expandTemplate {
                title = 'Recipe Component',
                args = {
                    item = reactant[1],
                    amount = reactant[2]
                    -- TODO
                    -- image = ""
                }
            }

            recipe_box_template_args['component-' .. reactant_i] = component_el
        end

        recipe_box_template_args.transformer = beaker_el

        for product_i, product in ipairs(recipe.products) do
            local component_el = current_frame:expandTemplate {
                title = 'Recipe Component',
                args = {
                    item = product[1],
                    amount = product[2]
                    -- TODO
                    -- image = ""
                }
            }

            recipe_box_template_args['result-' .. product_i] = component_el
        end

        local recipes_el = current_frame:expandTemplate {
            title = 'Recipe Box',
            args = recipe_box_template_args
        }

        recipes_container_el:node(recipes_el)
    end

    local effects = concat_numberic_table(reagent.effects, "\n")

    return current_frame:expandTemplate {
        title = 'Manual Chem Box',
        args = {
            color = reagent.color,
            -- textcolor = "",
            name = reagent.name,
            recipes = tostring(recipes_container_el:allDone()),
            metabolisms = effects,
            desc = reagent.desc,
            physicalDesc = reagent.physicalDesc,
        }
    }
end

return p