-- Indicators.lua
local pairs, ipairs = pairs, ipairs;
local GetTime = GetTime;
local UnitAura = UnitAura;
local UnitIsPlayer = UnitIsPlayer;
local CTimerAfter = C_Timer.After;

local watchedAuras = {
    [53563] = "TOPRIGHT",
    [156910] = "TOPRIGHT",
    [200025] = "TOPRIGHT",
    [200654] = "BOTTOMLEFT",
};
local majorAuras = {
    ["Psychic Assault"] = true,
    ["Everburning Flames"] = true,
    ["Corrupt"] = true,
    ["Sleep Canister"] = true,
    ["Misery"] = true,
    ["Necrotic Embrace"] = true,
    ["Fulminating Pulse"] = true,
    ["Chilled Blood"] = true,
    ["Soulblight"] = true,
    ["Soulburst"] = true,
    ["Soulbomb"] = true,
    ["Aqua Bomb"] = true,
};

local updaters = {};
local positions = {"TOPRIGHT", "BOTTOMLEFT"};
local auraFilters = {"HELPFUL", "HARMFUL"};

-- TODO text
--[[local function remaining(expires, current)
    if expires == 0 then return "" end
    local remain = expires - current;
    if remain > 60 then
        return format("%dm", ceil(remain/60));
    end
    return floor(remain+0.5);
end]]

--[[local function updateIndicators(frame, unit)
    if not frame:IsShown() then
        return;
    elseif not UnitIsConnected(unit) or UnitIsDeadOrGhost(unit) then
        if frame.inds:IsShown() then frame.inds:Hide() end
        return;
    elseif not frame.inds:IsShown() then
        frame.inds:Show();
    end

    local current = GetTime();
    for pos, ind in pairs(frame.inds) do
        if ind.expires ~= nil then
            if OmaRF.db.profile.indicators[pos].showText then
                ind.text:SetText(remaining(ind.expires, current));
            end
        else
            if ind.icon:IsShown() then ind.icon:Hide() end
            if ind.text:IsShown() then ind.text:Hide() end
        end
    end
    for _, ind in ipairs(frame.majorInds) do
        if ind.expires ~= nil then
            ind.expireText:SetText(remaining(ind.expires, current));
        else
            if ind.icon:IsShown() then ind.icon:Hide() end
            if ind.expireText:IsShown() then ind.expireText:Hide() end
            if ind.stackText:IsShown() then ind.stackText:Hide() end
        end
    end
end]]

--local function showIndicator(ind, caster, expires, current, config)
local function showIndicator(ind, caster)
    --if not config.mine or UnitIsPlayer(caster) then
    if UnitIsPlayer(caster) then
        --if config.showIcon and not ind:IsShown() then
        if not ind:IsShown() then
            ind:Show();
        end
        --ind.expires = expires;
        --[[if config.showText then
            ind.text:SetText(remaining(expires, current));
            if not ind.text:IsShown() then ind.text:Show() end
        end]]
    end
end

function OmaCheckIndicators(frame, unit)
    for _, pos in pairs(positions) do
        --ind.expires = nil;
        if frame.inds[pos]:IsShown() then frame.inds[pos]:Hide() end
    end
    for i = 1,3 do
        --ind.expires = nil;
        if frame.major[1]:IsShown() then frame.major[1]:Hide() end
    end
    frame.showInds = false;
    frame.showMajors = false;

    local name, icon, count, expires, caster, id;
    local majorPos = 1;
    local current = GetTime();
    for _, filter in ipairs(auraFilters) do
        local i = 1;
        while true do
            name, _, icon, count, _, _, expires, caster, _, _, id = UnitAura(unit, i, filter);
            if not id then break end
            local pos = watchedAuras[id] or watchedAuras[name];
            if pos then
                frame.showInds = true;
                if UnitIsPlayer(caster) and not frame.inds[pos]:IsShown() then
                    frame.inds[pos]:Show();
                end
            end
            if (majorAuras[id] or majorAuras[name]) and majorPos <= 3 then
                frame.major[majorPos]:SetTexture(icon);
                frame.major[majorPos]:Show();
                frame.showMajors = true;
                majorPos = majorPos + 1;
            end
            i = i + 1;
        end
    end
    if frame.showInds then
        if not frame.inds:IsShown() then frame.inds:Show() end
        -- create a function for updating the indicator each second
        --[[local func = updaters[frame];
        if not func then
            func = function() updateIndicators(frame, unit) end;
            updaters[frame] = func;
        end
        CTimerAfter(1, func);]]
    elseif frame.inds:IsShown() then
        frame.inds:Hide();
    end
    if frame.showMajors then
        if not frame.major:IsShown() then frame.major:Show() end
    elseif frame.major:IsShown() then
        frame.major:Hide();
    end
end