local migrate = require "migrate"

local DB_FILENAME = "peachy.db"
sqlite3 = require "lsqlite3"

local function OpenDB(req)
	local appID <const> = utf8.codepoint("🍑")
	local filename = req.session.filename
	if not filename then
		error "no file selected"
	end
	local db = sqlite3.open(filename, sqlite3.OPEN_READWRITE)
	if not db then
		db, errcode, errmsg = sqlite3.open(filename)
		if errcode then error(errmsg) end
		errcode = db:exec(string.format("PRAGMA application_id=%d", appID))
		if errcode ~= sqlite3.OK then error(db:errmsg()) end
	end
	local currentAppID
	for id in db:urows("PRAGMA application_id") do currentAppID = id end
	if currentAppID ~= appID then error("not a Peachy database") end
	schema.setup(db)
	req.db = db
end

local db = sqlite3.open(DB_FILENAME)
db:exec("PRAGMA journal_mode=WAL")
db:exec("PRAGMA foreign_keys")
-- migrate.migrate(db)

fm = require "fullmoon"
schema = require "schema"
fm.sessionOptions.secret = false
fm.setTemplate({ "/tmpl/", tmpl = "fmt" })

fm.setRoute("/static/*", fm.servePath)

fm.setRoute(fm.POST "/open", function(r)
	local filename = r.params.filename
	if filename == "" then filename = nil end
	r.session.filename = filename
	return false
end)
fm.setRoute("/open", function(r)
	local files = {}
	local filename = r.session.filename or ""
	return fm.serveContent("opendb", { filename = filename, dir = files })
end)
fm.setRoute("/testdb", function(r)
	OpenDB(r)
	local name = tostring(math.random(100000))
	schema.new_node_type(r.db, name)
	for ntype in schema.get_node_types(r.db) do
		print(ntype)
	end
	return false
end)
fm.setRoute("/dirlist", function(r)
	local function isSpecial(name)
		return name == "." or name == ".." or string.sub(name, 1, 1) == "$"
	end
	local dirpath = r.params.dirpath
	local files, directories = {}, {}
	for name, kind in assert(unix.opendir(dirpath)) do
		if not isSpecial(name) then
			local file = { name = name, path = path.join(dirpath, name) }
			if kind == unix.DT_REG then
				table.insert(files, file)
			elseif kind == unix.DT_DIR then
				table.insert(directories, file)
			end
		end
	end
	local function compareName(f1, f2)
		return f1.name < f2.name
	end
	table.sort(directories, compareName)
	table.sort(files, compareName)
	return fm.serveContent("fragment/dirlist", { files = files, directories = directories })
end)

fm.setRoute("/", fm.serveContent "home")
fm.run()