package service

import (
	"net/http"
	"strings"
	"time"

	"github.com/go-rat/chix"

	"github.com/TheTNB/panel/internal/biz"
	"github.com/TheTNB/panel/internal/data"
	"github.com/TheTNB/panel/internal/http/request"
)

type ContainerService struct {
	containerRepo biz.ContainerRepo
}

func NewContainerService() *ContainerService {
	return &ContainerService{
		containerRepo: data.NewContainerRepo(),
	}
}

func (s *ContainerService) List(w http.ResponseWriter, r *http.Request) {
	containers, err := s.containerRepo.ListAll()
	if err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
	}

	paged, total := Paginate(r, containers)
	items := make([]any, len(paged))
	for _, item := range paged {
		var name string
		if len(item.Names) > 0 {
			name = item.Names[0]
		}
		items = append(items, map[string]any{
			"id":       item.ID,
			"name":     strings.TrimLeft(name, "/"),
			"image":    item.Image,
			"image_id": item.ImageID,
			"command":  item.Command,
			"created":  time.Unix(item.Created, 0).Format(time.DateTime),
			"ports":    item.Ports,
			"labels":   item.Labels,
			"state":    item.State,
			"status":   item.Status,
		})
	}

	Success(w, chix.M{
		"total": total,
		"items": items,
	})
}

func (s *ContainerService) Search(w http.ResponseWriter, r *http.Request) {
	name := strings.Fields(r.FormValue("name"))
	containers, err := s.containerRepo.ListByNames(name)
	if err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, chix.M{
		"total": len(containers),
		"items": containers,
	})
}

func (s *ContainerService) Create(w http.ResponseWriter, r *http.Request) {
	req, err := Bind[request.ContainerCreate](r)
	if err != nil {
		Error(w, http.StatusUnprocessableEntity, err.Error())
		return
	}

	id, err := s.containerRepo.Create(req)
	if err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, id)
}

func (s *ContainerService) Remove(w http.ResponseWriter, r *http.Request) {
	req, err := Bind[request.ContainerID](r)
	if err != nil {
		Error(w, http.StatusUnprocessableEntity, err.Error())
		return
	}

	if err = s.containerRepo.Remove(req.ID); err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, nil)
}

func (s *ContainerService) Start(w http.ResponseWriter, r *http.Request) {
	req, err := Bind[request.ContainerID](r)
	if err != nil {
		Error(w, http.StatusUnprocessableEntity, err.Error())
		return
	}

	if err = s.containerRepo.Start(req.ID); err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, nil)
}

func (s *ContainerService) Stop(w http.ResponseWriter, r *http.Request) {
	req, err := Bind[request.ContainerID](r)
	if err != nil {
		Error(w, http.StatusUnprocessableEntity, err.Error())
		return
	}

	if err = s.containerRepo.Stop(req.ID); err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, nil)
}

func (s *ContainerService) Restart(w http.ResponseWriter, r *http.Request) {
	req, err := Bind[request.ContainerID](r)
	if err != nil {
		Error(w, http.StatusUnprocessableEntity, err.Error())
		return
	}

	if err = s.containerRepo.Restart(req.ID); err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, nil)
}

func (s *ContainerService) Pause(w http.ResponseWriter, r *http.Request) {
	req, err := Bind[request.ContainerID](r)
	if err != nil {
		Error(w, http.StatusUnprocessableEntity, err.Error())
		return
	}

	if err = s.containerRepo.Pause(req.ID); err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, nil)
}

func (s *ContainerService) Unpause(w http.ResponseWriter, r *http.Request) {
	req, err := Bind[request.ContainerID](r)
	if err != nil {
		Error(w, http.StatusUnprocessableEntity, err.Error())
		return
	}

	if err = s.containerRepo.Unpause(req.ID); err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, nil)
}

func (s *ContainerService) Inspect(w http.ResponseWriter, r *http.Request) {
	req, err := Bind[request.ContainerID](r)
	if err != nil {
		Error(w, http.StatusUnprocessableEntity, err.Error())
		return
	}

	container, err := s.containerRepo.Inspect(req.ID)
	if err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, container)
}

func (s *ContainerService) Kill(w http.ResponseWriter, r *http.Request) {
	req, err := Bind[request.ContainerID](r)
	if err != nil {
		Error(w, http.StatusUnprocessableEntity, err.Error())
		return
	}

	if err = s.containerRepo.Kill(req.ID); err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, nil)
}

func (s *ContainerService) Rename(w http.ResponseWriter, r *http.Request) {
	req, err := Bind[request.ContainerRename](r)
	if err != nil {
		Error(w, http.StatusUnprocessableEntity, err.Error())
		return
	}

	if err = s.containerRepo.Rename(req.ID, req.Name); err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, nil)
}

func (s *ContainerService) Stats(w http.ResponseWriter, r *http.Request) {
	req, err := Bind[request.ContainerID](r)
	if err != nil {
		Error(w, http.StatusUnprocessableEntity, err.Error())
		return
	}

	stats, err := s.containerRepo.Stats(req.ID)
	if err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, stats)
}

func (s *ContainerService) Exist(w http.ResponseWriter, r *http.Request) {
	req, err := Bind[request.ContainerID](r)
	if err != nil {
		Error(w, http.StatusUnprocessableEntity, err.Error())
		return
	}

	exist, err := s.containerRepo.Exist(req.ID)
	if err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, exist)
}

func (s *ContainerService) Logs(w http.ResponseWriter, r *http.Request) {
	req, err := Bind[request.ContainerID](r)
	if err != nil {
		Error(w, http.StatusUnprocessableEntity, err.Error())
		return
	}

	logs, err := s.containerRepo.Logs(req.ID)
	if err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, logs)
}

func (s *ContainerService) Prune(w http.ResponseWriter, r *http.Request) {
	if err := s.containerRepo.Prune(); err != nil {
		Error(w, http.StatusInternalServerError, err.Error())
		return
	}

	Success(w, nil)
}