local utils = require("utils")
local fw = require("fastweb")
local config = require("fwutils.config")
local M = {}


-- 更新
M.update = function(role_id,conn)
    -- 查询权限表
    local select = conn:select()
    select:table("fw_role_permissions")
    select:where_expression("AND delete_time IS NULL")
    if role_id ~= nil then
        select:where_i32("role_id", "=", role_id)
    end
    local result = select:query()


    local bc = {}

    while result:next() do
        local id = result:get("id")
        local path = result:get("path")
        local role_id = tostring(result:get("role_id"))
        local action = result:get("action")
        local desc = result:get("desc")
        local create_time = result:get("create_time")
        local update_time = result:get("update_time")
        local delete_time = result:get("delete_time")
        -- local public = result:get("public")

        if bc[role_id] == nil then
            bc[role_id] = {}
        end
        if bc[role_id]["public"] == nil then
            bc[role_id]["public"] = {}
        end
        if bc[role_id]["private"] == nil then
            bc[role_id]["private"] = {}
        end
        -- 处理 action 字段，将其切分为表或空表
        local actions_tbl = {}
        if action and action ~= "" then
            for act in string.gmatch(action, "([^,]+)") do
                table.insert(actions_tbl, act)
            end
        end

        local item = {
            create_time = create_time,
            update_time = update_time,
            delete_time = delete_time,
            action = actions_tbl,
            desc = desc,
        }
        -- if public == 1 then
        --     bc[role_id]["public"][path] = item
        -- else
        --     bc[role_id]["private"][path] = item
        -- end
        bc[role_id][path] = item
    end
    local code = "return " .. require("serpent").serialize(bc, {comment = false})
    utils.save_file(fw.website_dir().."/"..(config.path.luabytecode:gsub("%.", "/")).."/acl_bc.lua",code)
    return true
end
-- 匹配
M.match = function(cfg)

    local function match_path(path, patterns)

        -- print("[match_path] path:",path)
        for pattern, v in pairs(patterns) do
           
            -- 如果是正则（以^开头），用string.match，否则精确匹配
            if string.sub(pattern, 1, 1) == "^" then
                
                if string.match(path, pattern) then
                    -- print("[TRUE] pattern:",pattern,",path:",path)
                    return true, v 
                -- else
                    -- print("[FALSE] pattern:",pattern,",path:",path)
                end
            else
                if path == pattern then
                    return true, v
                end
            end
        end
        return false, nil
    end
    -- 检查action
    local function check_action(actions,action)
        if actions == nil or #actions == 0 then 
            return true
        end
    
        for _,v in pairs(actions) do
            if v == action then
                return true
            end
        end
        return false, "action not match"
    end
    local role_id_str = string.format("%d",cfg.role_id())
    local acl_bc = require(config.path.luabytecode..".acl_bc")
    if acl_bc[role_id_str] == nil then
        return false,"role id("..role_id_str..") acl not found"
    end
    local result, item = match_path(cfg.filepath(), acl_bc[role_id_str])
    if result then
        return check_action(item.action,cfg.action())
    end 
    return false,"path("..cfg.filepath()..") acl not found"
end

return M