local cjson = require('cjson')
local conf = require('config')
local error_code = require('util.status')

local _M = {}

function _M:json(status, message, data, http_status)
	-- you can modify this response struct as you favor
	if status == 0 then status = ngx.HTTP_OK end
	local msg = message
	local response_status = http_status or ngx.HTTP_OK
	if msg == nil or msg == '' then
		--local locale = ngx.ctx.locale or conf.locale
		--if error_code[locale] ~= nil then
			--msg = error_code[locale][status]
		--end
        msg = error_code[status]
	end
	local response = {code = status, msg = msg, result = data,timestamp = ngx.time()}
	if not response.code then
		response.code = -1
		response.message = 'not find status code'
	end
	return {
		code = response_status,
		headers = {content_type = 'application/json; charset=UTF-8'},
		body = cjson.encode(response)
	}
end

function _M:json(status, data, http_status)
    -- you can modify this response struct as you favor
    if status == 0 then status = ngx.HTTP_OK end
    local msg = ''
    local response_status = http_status or ngx.HTTP_OK
    msg = error_code[status]

    local response = {code = status, msg = msg, result = data,timestamp = ngx.time()}
    if not response.code then
        response.code = -1
        response.message = 'not find status code'
    end
    return {
        code = response_status,
        headers = {content_type = 'application/json; charset=UTF-8'},
        body = cjson.encode(response)
    }
end

function _M:raw(http_status, http_body)
	return {
		code = http_status,
		headers = {},
		body = http_body,
        timestamp = ngx.time()
	}
end

function _M:error(http_status, http_headers, http_body)
	return {
		code = http_status,
		headers = http_headers,
		body = http_body,
        timestamp = ngx.now()
	}
end

function _M:send(response)
	ngx.status = response.code
	if response.headers ~= nil then
		for name, value in pairs(response.headers) do
			ngx.header[name] = value
		end
	end
    if response.body ~= nil then
        ngx.say(response.body)
	end
end

return _M