--[[
-- Custom code injector template for Kui_Nameplates_Core
--]]
local folder,ns=...
local addon = KuiNameplates
local core = KuiNameplatesCore

-- Position and size
local PvPClassificationIndicator = self:CreateTexture(nil, 'OVERLAY')
PvPClassificationIndicator:SetSize(24, 24)
PvPClassificationIndicator:SetPoint('CENTER')

-- sourced from FrameXML/CompactUnitFrame.lua
local ICONS = {
    [Enum.PvPUnitClassification.FlagCarrierHorde or 0] = "nameplates-icon-flag-horde",
    [Enum.PvPUnitClassification.FlagCarrierAlliance or 1] = "nameplates-icon-flag-alliance",
    [Enum.PvPUnitClassification.FlagCarrierNeutral or 2] = "nameplates-icon-flag-neutral",
    [Enum.PvPUnitClassification.CartRunnerHorde or 3] = "nameplates-icon-cart-horde",
    [Enum.PvPUnitClassification.CartRunnerAlliance or 4] = "nameplates-icon-cart-alliance",
    [Enum.PvPUnitClassification.AssassinHorde or 5] = "nameplates-icon-bounty-horde",
    [Enum.PvPUnitClassification.AssassinAlliance or 6] = "nameplates-icon-bounty-alliance",
    [Enum.PvPUnitClassification.OrbCarrierBlue or 7] = "nameplates-icon-orb-blue",
    [Enum.PvPUnitClassification.OrbCarrierGreen or 8] = "nameplates-icon-orb-green",
    [Enum.PvPUnitClassification.OrbCarrierOrange or 9] = "nameplates-icon-orb-orange",
    [Enum.PvPUnitClassification.OrbCarrierPurple or 10] = "nameplates-icon-orb-purple",
}

local mod = addon:NewPlugin('CustomPVPCarriers',101)
if not mod then return end

local function Update(self, event, unit)
    if(unit ~= self.unit) then return end

    local element = self.PvPClassificationIndicator

    --[[ Callback: PvPClassificationIndicator:PreUpdate(unit)
    Called before the element has been updated.

    * self - the PvPClassificationIndicator element
    * unit - the unit for which the update has been triggered (string)
    --]]
    if(element.PreUpdate) then
        element:PreUpdate(unit)
    end

    local class = UnitPvpClassification(unit)
    local icon = ICONS[class]
    if(icon) then
        element:SetAtlas(icon, element.useAtlasSize)
        element:Show()
    else
        element:Hide()
    end

    --[[ Callback: PvPClassificationIndicator:PostUpdate(unit, class)
    Called after the element has been updated.

    * self  - the PvPClassificationIndicator element
    * unit  - the unit for which the update has been triggered (string)
    * class - the pvp classification of the unit (number?)
    --]]
    if(element.PostUpdate) then
        return element:PostUpdate(unit, class)
    end
end

-- create ######################################################################
function mod:Create(frame)
    -- Place code to be performed after a frame is created here.
end

-- show ########################################################################
function mod:Show(frame)
    -- Place code to be performed after a frame is shown here.
end

-- hide ########################################################################
function mod:Hide(frame)
    -- Place code to be performed after a frame is hidden here.
end

-- initialise ##################################################################
function mod:Initialise()
    self:RegisterMessage('Create')
    self:RegisterMessage('Show')
    self:RegisterMessage('Hide')
end