local UIManager = require("ui/uimanager")
local socketutil = require("socketutil")
local logger = require("logger")

-- Push/Pull
local SYNC_TIMEOUTS = {2, 5}

-- Login/Register
local AUTH_TIMEOUTS = {5, 10}

local SyncNinjaClient = {service_spec = nil, custom_url = nil}

function SyncNinjaClient:new(o)
    if o == nil then o = {} end
    setmetatable(o, self)
    self.__index = self
    if o.init then o:init() end
    return o
end

function SyncNinjaClient:init()
    local Spore = require("Spore")
    self.client = Spore.new_from_spec(self.service_spec,
                                      {base_url = self.custom_url})
    package.loaded["Spore.Middleware.GinClient"] = {}
    require("Spore.Middleware.GinClient").call = function(_, req)
        req.headers["accept"] = "application/vnd.koreader.v1+json"
    end
    package.loaded["Spore.Middleware.SyncNinjaAuth"] = {}
    require("Spore.Middleware.SyncNinjaAuth").call = function(args, req)
        req.headers["x-auth-user"] = args.username
        req.headers["x-auth-key"] = args.userkey
    end
    package.loaded["Spore.Middleware.AsyncHTTP"] = {}
    require("Spore.Middleware.AsyncHTTP").call = function(args, req)
        -- disable async http if Turbo looper is missing
        if not UIManager.looper then return end
        req:finalize()
        local result

        local turbo = require("turbo")
        turbo.log.categories.success = false
        turbo.log.categories.warning = false

        local client = turbo.async.HTTPClient({verify_ca = false})
        local res = coroutine.yield(client:fetch(request.url, {
            url = req.url,
            method = req.method,
            body = req.env.spore.payload,
            connect_timeout = 10,
            request_timeout = 20,
            on_headers = function(headers)
                for header, value in pairs(req.headers) do
                    if type(header) == "string" then
                        headers:add(header, value)
                    end
                end
            end
        }))

        return res

        -- return coroutine.create(function() coroutine.yield(result) end)
    end
end

------------------------------------------
-------------- New Functions -------------
------------------------------------------

function SyncNinjaClient:check_activity(username, password, device_id, callback)
    self.client:reset_middlewares()
    self.client:enable("Format.JSON")
    self.client:enable("GinClient")
    self.client:enable("SyncNinjaAuth",
                       {username = username, userkey = password})

    socketutil:set_timeout(SYNC_TIMEOUTS[1], SYNC_TIMEOUTS[2])
    local co = coroutine.create(function()
        local ok, res = pcall(function()
            return self.client:check_activity({device_id = device_id})
        end)
        if ok then
            callback(res.status == 200, res.body)
        else
            logger.dbg("SyncNinjaClient:check_activity failure:", res)
            callback(false, res.body)
        end
    end)
    self.client:enable("AsyncHTTP", {thread = co})
    coroutine.resume(co)
    if UIManager.looper then UIManager:setInputTimeout() end
    socketutil:reset_timeout()
end

function SyncNinjaClient:add_activity(username, password, device_id, device,
                                      activity, callback)
    self.client:reset_middlewares()
    self.client:enable("Format.JSON")
    self.client:enable("GinClient")
    self.client:enable("SyncNinjaAuth",
                       {username = username, userkey = password})

    socketutil:set_timeout(SYNC_TIMEOUTS[1], SYNC_TIMEOUTS[2])
    local co = coroutine.create(function()
        local ok, res = pcall(function()
            return self.client:add_activity({
                device_id = device_id,
                device = device,
                activity = activity
            })
        end)

        if ok then
            callback(res.status == 200, res.body)
        else
            logger.dbg("SyncNinjaClient:add_activity failure:", res)
            callback(false, res.body)
        end
    end)
    self.client:enable("AsyncHTTP", {thread = co})
    coroutine.resume(co)
    if UIManager.looper then UIManager:setInputTimeout() end
    socketutil:reset_timeout()
end

function SyncNinjaClient:add_documents(username, password, documents, callback)
    self.client:reset_middlewares()
    self.client:enable("Format.JSON")
    self.client:enable("GinClient")
    self.client:enable("SyncNinjaAuth",
                       {username = username, userkey = password})

    socketutil:set_timeout(SYNC_TIMEOUTS[1], SYNC_TIMEOUTS[2])
    local co = coroutine.create(function()
        local ok, res = pcall(function()
            return self.client:add_documents({documents = documents})
        end)
        if ok then
            callback(res.status == 200, res.body)
        else
            logger.dbg("SyncNinjaClient:add_documents failure:", res)(
                "SyncNinjaClient:add_documents failure:", res)
            callback(false, res.body)
        end
    end)
    self.client:enable("AsyncHTTP", {thread = co})
    coroutine.resume(co)
    if UIManager.looper then UIManager:setInputTimeout() end
    socketutil:reset_timeout()
end

function SyncNinjaClient:check_documents(username, password, device_id, device,
                                         have, callback)
    self.client:reset_middlewares()
    self.client:enable("Format.JSON")
    self.client:enable("GinClient")
    self.client:enable("SyncNinjaAuth",
                       {username = username, userkey = password})

    socketutil:set_timeout(SYNC_TIMEOUTS[1], SYNC_TIMEOUTS[2])
    local co = coroutine.create(function()
        local ok, res = pcall(function()
            return self.client:check_documents({
                device_id = device_id,
                device = device,
                have = have
            })
        end)
        if ok then
            callback(res.status == 200, res.body)
        else
            logger.dbg("SyncNinjaClient:check_documents failure:", res)
            callback(false, res.body)
        end
    end)
    self.client:enable("AsyncHTTP", {thread = co})
    coroutine.resume(co)
    if UIManager.looper then UIManager:setInputTimeout() end
    socketutil:reset_timeout()
end

function SyncNinjaClient:download_document(username, password, document,
                                           callback)
    self.client:reset_middlewares()
    self.client:enable("Format.JSON")
    self.client:enable("GinClient")
    self.client:enable("SyncNinjaAuth",
                       {username = username, userkey = password})

    local ok, res = pcall(function()
        return self.client:download_document({document = document})
    end)
    if ok then
        callback(res.status == 200, res.body)
    else
        logger.dbg("SyncNinjaClient:download_document failure:", res)
        callback(false, res.body)
    end
end

function SyncNinjaClient:upload_document(username, password, document, file,
                                         callback)
    self.client:reset_middlewares()
    self.client:enable("Format.JSON")
    self.client:enable("GinClient")
    self.client:enable("SyncNinjaAuth",
                       {username = username, userkey = password})

    local ok, res = pcall(function()
        return self.client:upload_document({document = document, file = file})
    end)
    if ok then
        callback(res.status == 200, res.body)
    else
        logger.dbg("SyncNinjaClient:upload_document failure:", res)
        callback(false, res.body)
    end
end

------------------------------------------
----------- Existing Functions -----------
------------------------------------------

function SyncNinjaClient:register(username, password)
    self.client:reset_middlewares()
    self.client:enable("Format.JSON")
    self.client:enable("GinClient")
    socketutil:set_timeout(AUTH_TIMEOUTS[1], AUTH_TIMEOUTS[2])
    local ok, res = pcall(function()
        return self.client:register({username = username, password = password})
    end)
    socketutil:reset_timeout()
    if ok then
        return res.status == 201, res.body
    else
        logger.dbg("SyncNinjaClient:register failure:", res)
        return false, res.body
    end
end

function SyncNinjaClient:authorize(username, password)
    self.client:reset_middlewares()
    self.client:enable("Format.JSON")
    self.client:enable("GinClient")
    self.client:enable("SyncNinjaAuth",
                       {username = username, userkey = password})
    socketutil:set_timeout(AUTH_TIMEOUTS[1], AUTH_TIMEOUTS[2])
    local ok, res = pcall(function() return self.client:authorize() end)
    socketutil:reset_timeout()
    if ok then
        return res.status == 200, res.body
    else
        logger.dbg("SyncNinjaClient:authorize failure:", res)
        return false, res.body
    end
end

function SyncNinjaClient:update_progress(username, password, document, progress,
                                         percentage, device, device_id, callback)
    self.client:reset_middlewares()
    self.client:enable("Format.JSON")
    self.client:enable("GinClient")
    self.client:enable("SyncNinjaAuth",
                       {username = username, userkey = password})

    socketutil:set_timeout(SYNC_TIMEOUTS[1], SYNC_TIMEOUTS[2])
    local co = coroutine.create(function()
        local ok, res = pcall(function()
            return self.client:update_progress({
                document = document,
                progress = tostring(progress),
                percentage = percentage,
                device = device,
                device_id = device_id
            })
        end)
        if ok then
            callback(res.status == 200, res.body)
        else
            logger.dbg("SyncNinjaClient:update_progress failure:", res)
            callback(false, res.body)
        end
    end)
    self.client:enable("AsyncHTTP", {thread = co})
    coroutine.resume(co)
    if UIManager.looper then UIManager:setInputTimeout() end
    socketutil:reset_timeout()
end

function SyncNinjaClient:get_progress(username, password, document, callback)
    self.client:reset_middlewares()
    self.client:enable("Format.JSON")
    self.client:enable("GinClient")
    self.client:enable("SyncNinjaAuth",
                       {username = username, userkey = password})

    socketutil:set_timeout(SYNC_TIMEOUTS[1], SYNC_TIMEOUTS[2])
    local co = coroutine.create(function()
        local ok, res = pcall(function()
            return self.client:get_progress({document = document})
        end)
        if ok then
            callback(res.status == 200, res.body)
        else
            logger.dbg("SyncNinjaClient:get_progress failure:", res)
            callback(false, res.body)
        end
    end)
    self.client:enable("AsyncHTTP", {thread = co})
    coroutine.resume(co)
    if UIManager.looper then UIManager:setInputTimeout() end
    socketutil:reset_timeout()
end

return SyncNinjaClient