--[[
Contains the code entrypoint, this is the first (and only) file run from kore.
It registers a bunch of global functions that get called from kore when users
visit particular pages. See src/smr.c for the names of the public functions.
See conf/smr.conf for the data that can be access in each function
]]
print("Really fast print from init.lua")

--Luarocks libraries
local et = require("etlua")
local sql = require("lsqlite3")
local zlib = require("zlib")

--stubs for detouring
function configure(...) end

--smr code
require("global")
local cache = require("cache")
local pages = require("pages")
local util = require("util")
local config = require("config")
local db = require("db")

print("Hello from init.lua")
local oldconfigure = configure
function configure(...)
	--Test that compression works. For some reason, the zlib library
	--fails if this is done as a one-liner
	local msg = "test message"
	local one = zlib.compress(msg)
	local two = zlib.decompress(one)
	assert(two == msg, "zlib not working as expected")
	oldconfigure(...)
end
print("Created configure function")

-- TODO: Fill this out
local http_methods = {"GET","POST"}
local http_m_rev = {}
for k,v in pairs(http_methods) do
	http_m_rev[v] = true
end

--Endpoints, all this stuff gets required here.
for funcname, spec in pairs({
	home = {
		GET = require("endpoints.index_get"),
	},
	claim = {
		GET = require("endpoints.claim_get"),
		POST = require("endpoints.claim_post"),
	},
	paste = {
		GET = require("endpoints.paste_get"),
		POST = require("endpoints.paste_post"),
	},
	read = {
		GET = require("endpoints.read_get"),
		POST = require("endpoints.read_post"),
	},
	login = {
		GET = require("endpoints.login_get"),
		POST = require("endpoints.login_post"),
	},
	logout = {
		GET = require("endpoints.logout_get"),
	},
	edit = {
		GET = require("endpoints.edit_get"),
		POST = require("endpoints.edit_post"),
	},
	delete = {
		POST = require("endpoints.delete_post"),
	},
	edit_bio = {
		GET = require("endpoints.bio_get"),
		POST = require("endpoints.bio_post"),
	},
	download = {
		GET = require("endpoints.download_get"),
	},
	preview = {
		POST = require("endpoints.preview_post"),
	},
	search = {
		GET = require("endpoints.search_get"),
	},
	archive = {
		GET = require("endpoints.archive_get"),
	},
	api = {
		GET = require("endpoints.api_get"),
	},
}) do
	assert(_G[funcname] == nil, "Tried to overwrite an endpoint, please define endpoints exactly once")
	for k,v in pairs(spec) do
		assert(http_m_rev[k], "Unknown http method '" .. k .. "' defined for endpoint '" .. funcname .. "'")
		assert(type(v) == "function", "Endpoint %s %s must be a function, but was a %s",funcname, k, type(v))
	end
	_G[funcname] = function(req)
		local method = http_method_text(req)
		if spec[method] == nil then
			log(LOG_WARNING,string.format("Endpoint %s called with http method %s, but no such route defined.", funcname, method))
		else
			log(LOG_DEBUG,string.format("Endpoint %s called with method %s",funcname,method))
		end
		spec[method](req)
	end
	log(LOG_INFO,string.format("Associateing endpoint %q", funcname))
end

function teardown()
	print("Exiting...")
	if db then
		db.close()
	end
	if cache then
		cache.close()
	end
	print("Finished lua teardown")
end

print("Done with init.lua")