local CONFIG_PATH = ".;/etc/aproxy"

-- function loadConfig()
--     -- TODO load config_path
--     return require("./config.lua")
-- end
-- 
-- local config = loadConfig()

function log(msg)
    ngx.log(ngx.STDERR, tostring(msg))
end

local WANTED_SCRIPTS = {
    ['scripts.webfinger_allowlist'] = {accounts = {"example@example.com"}}
}

local compiled_chain = {}

for module_name, module_config in pairs(WANTED_SCRIPTS) do
    module = require(module_name)
    table.insert(compiled_chain, {module, module_config})
end

local function onRequest()
    local request_uri = ngx.var.uri

    -- find out which modules to call based on their regexes
    local callbacks_to_call = {}
    for _, filter in ipairs(compiled_chain) do
        local module, module_config = filter[1], filter[2]

        for callback_regex, callback_function in pairs(module.callbacks) do
            local match, error = ngx.re.match(request_uri, callback_regex)
            if match then
                table.insert(callbacks_to_call, {callback_function, module_config})
            end
        end
    end

    log('AWOOOOGA')

    for _,tuple in ipairs(callbacks_to_call) do
        local callback_function, config = tuple[1], tuple[2]
        local result, body = callback_function(config)
        log(result)
        log(body)
        if not result then
            ngx.status = 400
            ngx.say(body or "request denied")
            ngx.exit(400)
        end
    end
end

return onRequest