-- libMyLilPony
-- Copyright (c) 2011 Syzler
--
-- This program is free software: you can redistribute it and/or modify
-- it under the terms of the GNU General Public License as published by
-- the Free Software Foundation, either version 3 of the License, or
-- (at your option) any later version.
--
-- This program is distributed in the hope that it will be useful,
-- but WITHOUT ANY WARRANTY; without even the implied warranty of
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-- GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License
-- along with this program. If not, see <http://www.gnu.org/licenses/>.

-- Misc helper functions used in the library

function MyLilPony.GetUnitBuffs(unit)
    -- build a hashtable of buffs on the unit
    local buffs = {};
    for i = 1, 40 do
        local _, _, _, _, _, _, _, _, _, _, id = UnitAura(unit, i, "HELPFUL");
        if id ~= nil then
            buffs[id] = id;
        end
    end
    return buffs;
end

function MyLilPony.StringMatchIgnoreCase(subject, pattern)
    if subject == nil and pattern == nil then return true end
    if subject == nil or pattern == nil then return false end
    local lSub = string.lower(subject);
    local lPat = string.lower(pattern);
    return string.match(lSub, lPat);
end

function MyLilPony.CallCompanion(companionType, companionNumber, condition)
    if condition == nil or condition then
        CallCompanion(companionType, companionNumber);
    end
end

function MyLilPony.CanFlyHere()
    if IsFlyableArea() then
        SetMapToCurrentZone();
        local continent = GetCurrentMapContinent();
        if continent == 4 then
            -- Northrend: requires Cold Weather Flying
            return IsSpellKnown(54197);
        elseif (continent == 1 or continent == 2) then
            -- Old World: requires Flight Master's License
            return IsSpellKnown(90267);
        end
        return true;
    end
    return false;
end

function MyLilPony.Print(msg)
    DEFAULT_CHAT_FRAME:AddMessage("|cff8ed6f0"..msg);
end

function MyLilPony.Log(msg)
    if MYLILPONY_DEBUG_LOGGING then
        DEFAULT_CHAT_FRAME:AddMessage("|cff8ed6f0"..format("MyLilPony: %s", msg));
    end
end