package handlers

import (
	"net/http"

	"git.linuxforward.com/byom/byom-core/common"
	"git.linuxforward.com/byom/byom-core/errors"
	"git.linuxforward.com/byom/byom-core/logger"
	"git.linuxforward.com/byom/byom-core/middleware"
	"git.linuxforward.com/byom/byom-core/store"
	"github.com/gin-gonic/gin"
	"github.com/google/uuid"
	"github.com/sirupsen/logrus"
)

type ProfileHandler struct {
	logger *logrus.Entry
	store  *store.DataStore
}

func NewProfileHandler(db *store.DataStore) *ProfileHandler {
	return &ProfileHandler{
		logger: logger.NewLogger("profile-handler"),
		store:  db,
	}
}

// Profile Management
func (h *ProfileHandler) List(c *gin.Context) {
	profiles, err := h.store.GetProfiles(c)
	if err != nil {
		h.logger.WithError(err).Error("failed to get profiles")
		_ = c.Error(errors.NewInternalError("Failed to get profiles", err))
		return
	}

	c.JSON(http.StatusOK, common.ProfileListResponse{Profiles: profiles})
}

func (h *ProfileHandler) Create(c *gin.Context) {
	req, ok := middleware.ValidateRequest[common.ProfileCreateRequest](c)
	if !ok {
		return
	}

	profile := &common.Profile{
		ID:          uuid.New(),
		Name:        req.Name,
		WorkspaceID: req.WorkspaceID,
	}

	if err := h.store.CreateProfile(c, profile); err != nil {
		h.logger.WithError(err).Error("failed to create profile")
		_ = c.Error(errors.NewInternalError("Failed to create profile", err))
		return
	}

	c.JSON(http.StatusCreated, common.ProfileResponse{Profile: *profile})
}

func (h *ProfileHandler) Get(c *gin.Context) {
	id := c.Param("id")
	if id == "" {
		_ = c.Error(errors.NewValidationError("Profile ID is required", "id"))
		return
	}

	// Validate UUID format
	if _, err := uuid.Parse(id); err != nil {
		_ = c.Error(errors.NewValidationError("Profile ID is required", "id"))
		return
	}

	profile, err := h.store.GetProfile(c, id)
	if err != nil {
		if errors.IsNotFound(err) {
			_ = c.Error(errors.NewNotFoundError("Profile", id))
			return
		}
		h.logger.WithError(err).Error("failed to get profile")
		_ = c.Error(errors.NewInternalError("Failed to get profile", err))
		return
	}

	c.JSON(http.StatusOK, common.ProfileResponse{Profile: *profile})
}

func (h *ProfileHandler) Update(c *gin.Context) {
	id := c.Param("id")
	if id == "" {
		_ = c.Error(errors.NewValidationError("Profile ID is required", "id"))
		return
	}

	req, ok := middleware.ValidateRequest[common.ProfileUpdateRequest](c)
	if !ok {
		return
	}

	profile, err := h.store.GetProfile(c, id)
	if err != nil {
		if errors.IsNotFound(err) {
			_ = c.Error(errors.NewNotFoundError("Profile", id))
			return
		}
		h.logger.WithError(err).Error("failed to get profile")
		_ = c.Error(errors.NewInternalError("Failed to get profile", err))
		return
	}

	profile.Name = req.Name

	if err := h.store.UpdateProfile(c, profile); err != nil {
		h.logger.WithError(err).Error("failed to update profile")
		_ = c.Error(errors.NewInternalError("Failed to update profile", err))
		return
	}

	c.JSON(http.StatusOK, common.ProfileResponse{Profile: *profile})
}

func (h *ProfileHandler) Delete(c *gin.Context) {
	id := c.Param("id")
	if id == "" {
		_ = c.Error(errors.NewValidationError("Profile ID is required", "id"))
		return
	}

	if err := h.store.DeleteProfile(c, id); err != nil {
		if errors.IsNotFound(err) {
			_ = c.Error(errors.NewNotFoundError("Profile", id))
			return
		}
		h.logger.WithError(err).Error("failed to delete profile")
		_ = c.Error(errors.NewInternalError("Failed to delete profile", err))
		return
	}

	c.JSON(http.StatusOK, common.MessageResponse{Message: "Profile deleted successfully"})
}

func (h *ProfileHandler) ListByWorkspace(c *gin.Context) {
	workspaceID := c.Param("id")
	if workspaceID == "" {
		_ = c.Error(errors.NewValidationError("Workspace ID is required", "id"))
		return
	}

	// Validate workspace exists
	if _, err := h.store.GetWorkspace(c, workspaceID); err != nil {
		if errors.IsNotFound(err) {
			_ = c.Error(errors.NewNotFoundError("Workspace", workspaceID))
			return
		}
		_ = c.Error(errors.NewValidationError("Invalid workspace ID", "id"))
		return
	}

	profiles, err := h.store.GetProfilesByWorkspaceID(c, workspaceID)
	if err != nil {
		h.logger.WithError(err).Error("failed to get profiles by workspace")
		_ = c.Error(errors.NewInternalError("Failed to get profiles", err))
		return
	}

	c.JSON(http.StatusOK, common.ProfileListResponse{Profiles: profiles})
}