local common  = fonts.goodies.load("common-math-jmn.lfg")
local helpers = common.mathematics.helpers

local badones = {
    summationtext       = .25,
    producttext         = .25,
    integraltext        = .25,
    uniontext           = .25,
    intersectiontext    = .25,
    unionmultitext      = .25,
    logicalandtext      = .25,
    logicalortext       = .25,
    summationdisplay    = .25,
    productdisplay      = .25,
    integraldisplay     = .25,
    uniondisplay        = .25,
    intersectiondisplay = .25,
    unionmultidisplay   = .25,
    logicalanddisplay   = .25,
    logicalordisplay    = .25,
    coproducttext       = .25,
    coproductdisplay    = .25,
}

local uglyones = {
 -- braceleft     = true,
 -- braceright    = true,
    vextendsingle = true,
    vextenddouble = true,
}

local recipes = {
    ["iwona-math"] = {
        { name = "file:LatinModern-Math", features = "virtualmath-iwona", main = true, parameters = false },
        --
        { name = "rm-iwonar.tfm",  vector = "tex-mr", skewchar=0x7F },
        { name = "mi-iwonari.tfm", vector = "tex-mi", skewchar=0x7F },
        { name = "mi-iwonari.tfm", vector = "tex-it", skewchar=0x7F },
        { name = "mi-iwonami.tfm", vector = "tex-bi", skewchar=0x7F },
        { name = "rm-iwonam.tfm",  vector = "tex-bf", skewchar=0x7F },
        { name = "sy-iwonarz.tfm", vector = "tex-sy", skewchar=0x30, parameters = true },
        { name = "ex-iwonar.tfm",  vector = "tex-ex", extension = true, badones = badones, ignore = uglyones },
    },
    ["iwona-light-math"] = {
        { name = "file:LatinModern-Math", features = "virtualmath-iwona-light", main = true, parameters = false },
        --
        { name = "rm-iwonal.tfm",  vector = "tex-mr", skewchar=0x7F },
        { name = "mi-iwonali.tfm", vector = "tex-mi", skewchar=0x7F },
        { name = "mi-iwonali.tfm", vector = "tex-it", skewchar=0x7F },
        { name = "mi-iwonari.tfm", vector = "tex-bi", skewchar=0x7F },
        { name = "rm-iwonar.tfm",  vector = "tex-bf", skewchar=0x7F },
        { name = "sy-iwonalz.tfm", vector = "tex-sy", skewchar=0x30, parameters = true },
        { name = "ex-iwonal.tfm",  vector = "tex-ex", extension = true, badones = badones, ignore = uglyones },
    },
    ["iwona-medium-math"] = {
        { name = "file:LatinModern-Math", features = "virtualmath-iwona-medium", main = true, parameters = false },
        --
        { name = "rm-iwonam.tfm",  vector = "tex-mr", skewchar=0x7F },
        { name = "mi-iwonami.tfm", vector = "tex-mi", skewchar=0x7F },
        { name = "mi-iwonami.tfm", vector = "tex-it", skewchar=0x7F },
        { name = "mi-iwonabi.tfm", vector = "tex-bi", skewchar=0x7F },
        { name = "rm-iwonab.tfm",  vector = "tex-bf", skewchar=0x7F },
        { name = "sy-iwonamz.tfm", vector = "tex-sy", skewchar=0x30, parameters = true },
        { name = "ex-iwonam.tfm",  vector = "tex-ex", extension = true, badones = badones, ignore = uglyones },
    },
    ["iwona-heavy-math"] = {
        { name = "file:LatinModern-Math", features = "virtualmath-iwona-heavy", main = true, parameters = false },
        --
        { name = "rm-iwonah.tfm",  vector = "tex-mr", skewchar=0x7F },
        { name = "mi-iwonahi.tfm", vector = "tex-mi", skewchar=0x7F },
        { name = "mi-iwonahi.tfm", vector = "tex-it", skewchar=0x7F },
        { name = "mi-iwonahi.tfm", vector = "tex-bi", skewchar=0x7F },
        { name = "rm-iwonah.tfm",  vector = "tex-bf", skewchar=0x7F },
        { name = "sy-iwonahz.tfm", vector = "tex-sy", skewchar=0x30, parameters = true },
        { name = "ex-iwonah.tfm",  vector = "tex-ex", extension = true, badones = badones, ignore = uglyones },
    },
}

local tweaks = nil
local common = fonts.goodies.load("common-math-jmn.lfg")

if common then

    tweaks = {
        {
            tweak  = "addmissing",
            action = common.mathematics.helpers.addmissing,
        },
        {
            tweak = "setoptions",
            set   = { "ignorekerndimensions" }
        }, -- we have dp > ht fences
        {
            tweak  = "fixprimes",
            factor = 1.0, -- accent base height
            fake   = 0.9, -- replace multiples with this width proportion
        },
        {
            tweak = "addfourier",
        },
        {
            tweak = "addequals",
            force = true,
        },
    }

    common.mathematics.helpers.copyrecipes(recipes)

end

return {
    name = "iwona-math",
    version = "1.00",
    comment = "Goodies that complement iwona math.",
    author = "Hans Hagen",
    copyright = "ConTeXt development team",
    mathematics = {
        mapfiles = {
            "iwona-rm.map",
            "iwona-mi.map",
            "iwona-sy.map",
            "iwona-ex.map",
         -- "mkiv-base.map",
        },
        virtuals = {
            ["iwona-math"]           = { recipe = recipes["iwona-math"],        tweaks = tweaks },
            ["iwona-light-math"]     = { recipe = recipes["iwona-light-math"],  tweaks = tweaks },
            ["iwona-medium-math"]    = { recipe = recipes["iwona-medium-math"], tweaks = tweaks },
            ["iwona-heavy-math"]     = { recipe = recipes["iwona-heavy-math"],  tweaks = tweaks },

            ["iwona-math-nt"]        = { recipe = common and recipes["iwona-math-nt"]        or nil },
            ["iwona-light-math-nt"]  = { recipe = common and recipes["iwona-light-math-nt"]  or nil },
            ["iwona-medium-math-nt"] = { recipe = common and recipes["iwona-medium-math-nt"] or nil },
            ["iwona-heavy-math-nt"]  = { recipe = common and recipes["iwona-heavy-math-nt"]  or nil },
        },
    }
}