from rest_framework import permissions


class IsOwnerOrReadOnly(permissions.BasePermission):
    """
    Custom permission to only allow owners of an object to edit it.
    """

    def has_object_permission(self, request, view, obj):
        # Read permissions are allowed to any request,
        # so we'll always allow GET, HEAD or OPTIONS requests.
        if request.method in permissions.SAFE_METHODS:
            return True

        # Write permissions are only allowed to the owner of the snippet.
        return obj.owner == request.user

class IsTeamOwnerOrReadyOnly(permissions.BasePermission):
    """
    Custom permission to only allow owners of an object to edit it.
    """

    def has_object_permission(self, request, view, obj):
        # Read permissions are allowed to any request,
        # so we'll always allow GET, HEAD or OPTIONS requests.
        if request.method in permissions.SAFE_METHODS:
            return True

        # Write permissions are only allowed to the owner of the snippet.
        return obj.team_owner == request.user

class IsOnTeam(permissions.BasePermission):
    """
    Custom permission to only allow members of an object to edit it.
    """
    def has_object_permission(self, request, view, obj):
        
        # Write permissions are only allowed to the owner
        return request.user in obj.team_members.all()

class IsSelfOrAdmin(permissions.BasePermission):
    def has_object_permission(self, request, view, obj):
        # Only allow the object access to itself
        return obj.id == request.user.id or request.user.is_staff 