package worker

import (
	"complie-erlang/config"
	"complie-erlang/parser/zm_lib"
	"complie-erlang/parser/zm_proto"
	tm "complie-erlang/template"
	"errors"
	"fmt"
	"gopkg.in/yaml.v2"
	"log"
	"os"
	"path/filepath"
	"time"
)

type ModWorker interface {
	Name() string
	LoadCfg(BaseSet, []string) error
	OutPutFiles() ([]string, error)
}

type BaseSet struct {
	ModConfigs *config.ModConfigs
	Conf       config.ModConfig
}

func ModWorkerRun(name string, args []string) error {

	xmlPath, err := zm_lib.FindPathByExecutable("./mod_config.yaml")
	if err != nil {
		return fmt.Errorf("find xml path error: %v", err)
	}

	bytes, err := os.ReadFile(xmlPath)
	if err != nil {
		return fmt.Errorf("读取配置文件失败: %v", err)
	}

	var conf = config.ModConfigs{}

	if err = yaml.Unmarshal(bytes, &conf); err != nil {
		return fmt.Errorf("解析配置文件 %s 失败: %v", xmlPath, err)
	}

	var modWorkerName string
	var baseSet BaseSet

	baseSet.ModConfigs = &conf

	for _, modconfig := range conf.ModConfigs {
		if modconfig.Name == name {
			modWorkerName = modconfig.Worker
			baseSet.Conf = modconfig
			break
		}
	}
	if modWorkerName == "" {
		return fmt.Errorf("无效的 %s", name)
	}

	for _, worker := range AllWorkers() {
		if worker.Name() == modWorkerName {
			log.Printf("[info] 初始化开始。。。")
			if err := worker.LoadCfg(baseSet, args); err != nil {
				return fmt.Errorf("初始化 Err:%v", err)
			}
			log.Printf("[info] 初始化完成 开始生成输出。。。")

			outFiles, err := worker.OutPutFiles()
			if err != nil {
				return fmt.Errorf("生成输出 Err:%v", err)
			}
			log.Printf("[info] 生成完成: \n")
			for _, outFile := range outFiles {
				log.Printf("    - %s:0\n", outFile)
			}
			return nil
		}
	}
	return errors.New("worker not found")
}

func AllWorkers() []ModWorker {
	return []ModWorker{&ProtoModWorker{}}
}

type ProtoModWorker struct {
	set         BaseSet
	Args        []string
	DefaultArgs []config.DefaultArg

	templates  *tm.Template // 模板
	pluginPath string
	parsePort  []zm_proto.Port
	proto      *zm_proto.Proto
}

func (mod *ProtoModWorker) Name() string {
	return "proto"
}

func (mod *ProtoModWorker) LoadCfg(set BaseSet, Args []string) error {
	mod.set = set
	mod.Args = Args
	log.Println("[info] 加载配置 set:", set.Conf, "args:", Args)

	pluginPathByWd, err := zm_lib.GetPluginPathByWd(set.ModConfigs.Plugin)
	if err != nil {
		return err
	}
	log.Println("[info] 项目根目录:", pluginPathByWd)
	mod.pluginPath = pluginPathByWd

	// 加载模版
	findPathByExecutable, err := zm_lib.FindPathByExecutable(set.ModConfigs.TemplateDir)
	if err != nil {
		return err
	}
	log.Println("[info] 加载模板:", findPathByExecutable)

	mod.templates = tm.NewTemplate()
	if err = mod.templates.ParseGlob(findPathByExecutable); err != nil {
		return err
	}

	protoFile := filepath.Join(mod.pluginPath, fmt.Sprintf(mod.set.Conf.ProtoName, mod.Args[0]))
	log.Printf("[info] 加载proto文件: %s:1\n", protoFile)

	proto := zm_proto.NewProto()
	proto.Include(filepath.Dir(protoFile))
	if err = proto.ParseImport(filepath.Base(protoFile)); err != nil {
		return err
	}
	parsePort, err := zm_proto.ParsePort(proto, protoFile)
	if err != nil {
		return err
	}
	mod.proto = proto
	mod.parsePort = parsePort

	for _, p := range mod.parsePort {
		log.Printf("[info] 解析接口: %s 是否推送: %v \n", p.Cmd, p.IsPush)
	}

	return nil
}

func (mod *ProtoModWorker) OutPutFiles() ([]string, error) {
	for _, dir := range mod.set.Conf.MakeDir {
		dir.Path = filepath.Join(mod.pluginPath, fmt.Sprintf(dir.Path, mod.Args[0]))
		log.Println("[info] make outDir:", dir.Path)
		//if err := os.MkdirAll(dir.Path, os.ModePerm); err != nil {
		//	return nil, err
		//}
	}

	for _, outFs := range mod.set.Conf.OutFiles {
		log.Println("[info] make file:", fmt.Sprintf(outFs.FileName, mod.Args[0]))
		template, err := mod.templates.ExecuteTemplate(outFs.ContentTemplate, mod.FormatArgs())
		if err != nil {
			return nil, err
		}
		fmt.Printf("\n\n >:\n%s \n\n", template)
	}

	return nil, nil
}

func (mod *ProtoModWorker) FormatArgs() map[string]any {
	var templatesArgs = make(map[string]any)
	var defaultArgs = make(map[string]any)

	for _, defaultArg := range mod.DefaultArgs {
		defaultArgs[defaultArg.Key] = defaultArg.Value
	}
	templatesArgs["default"] = defaultArgs

	var ports []any
	for _, port := range mod.parsePort {
		if port.IsPush {
			continue
		}
		var portMap = map[string]any{
			"Cmd":         port.Cmd,
			"PortDesc":    port.PortDesc,
			"ClientPB":    port.ClientPB,
			"ServerPB":    port.ServerPB,
			"ClientProto": mod.proto.MessageToErlMod(port.ClientPB),
			"ServerProto": mod.proto.MessageToErlMod(port.ServerPB),
		}
		ports = append(ports, portMap)
	}
	templatesArgs["ports"] = ports

	// 其他默认值
	templatesArgs["CreateAt"] = time.Now().Format(time.DateTime)

	return templatesArgs
}