local Addon = LibStub('AceAddon-3.0'):GetAddon('WoWthing_Collector')
local Module = Addon:NewModule('Achievements')


Module.db = {}

function Module:OnEnable()
    self:RegisterBucketEvent({ 'CRITERIA_UPDATE' }, 1, 'UpdateAchievements')
end

function Module:OnEnteringWorld()
    self:UpdateAchievements()
end

function Module:UpdateAchievements()
    Addon.charData.scanTimes['achievements'] = time()

    local achievements = {}
    for _, achievementId in ipairs(self.db.achievements) do
        local criteria = {}
        local earnedByCharacter = select(13, GetAchievementInfo(achievementId))
        -- This is nil if the achievement doesn't exist somehow
        if earnedByCharacter ~= nil then
            if not earnedByCharacter then
                local numCriteria = self.db.criteria[achievementId] or GetAchievementNumCriteria(achievementId)
                for i = 1, numCriteria do
                    local success, _, _, _, quantity = pcall(GetAchievementCriteriaInfo, achievementId, i, true)
                    if success == false then
                        criteria = {}
                        break
                    end
                    table.insert(criteria, quantity)
                end
            end

            table.insert(achievements, {
                id = achievementId,
                earned = earnedByCharacter,
                criteria = criteria,
            })
        end
    end

    Addon.charData.achievements = achievements
end