classdef Annulus < multiblock.DefCurvilinear
    properties
        r_inner 
        r_outer 
        c_inner
        c_outer
    end

    methods
        function obj = Annulus(r_outer, r_inner, c_outer, c_inner)
            default_arg('r_outer', 1)
            default_arg('r_inner', 0.3);
            default_arg('c_outer', [0; 0]);
            default_arg('c_inner', [0; 0]);

            cir_out_A = parametrization.Curve.circle(c_outer,r_outer,[-pi/2 pi/2]);
            cir_in_A = parametrization.Curve.circle(c_inner,r_inner,[pi/2 -pi/2]);
            
            cir_out_B = parametrization.Curve.circle(c_outer,r_outer,[pi/2 3*pi/2]);
            cir_in_B = parametrization.Curve.circle(c_inner,r_inner,[3*pi/2 pi/2]);

            c0_out = cir_out_A(0);
            c1_out = cir_out_A(1);
            
            c0_in_A = cir_in_A(1);
            c1_in_A = cir_in_A(0);
            
            c0_out_B = cir_out_B(0);
            c1_out_B = cir_out_B(1);
            
            c0_in_B = cir_in_B(1);
            c1_in_B = cir_in_B(0);


            sp2_A = parametrization.Curve.line(c0_in_A,c0_out);
            sp3_A = parametrization.Curve.line(c1_in_A,c1_out);
            
            sp2_B = parametrization.Curve.line(c0_in_B,c0_out_B);
            sp3_B = parametrization.Curve.line(c1_in_B,c1_out_B);


            A = parametrization.Ti(sp2_A, cir_out_A, sp3_A.reverse, cir_in_A); 
            B = parametrization.Ti( sp2_B , cir_out_B,sp3_B.reverse, cir_in_B );
           % B = A.rotate(c_inner,pi).rotate_edges(0);
            
            blocks = {A,B};
            blocksNames = {'A','B'};

            conn = cell(2,2);

            conn{1,2} = {'n','s'};
            conn{2,1} = {'n','s'};

            boundaryGroups = struct();
            boundaryGroups.out = multiblock.BoundaryGroup({{1,'e'},{2,'e'}});
            boundaryGroups.in = multiblock.BoundaryGroup({{1,'w'},{2,'w'}});
            boundaryGroups.all = multiblock.BoundaryGroup({{1,'e'},{2,'w'},{1,'w'},{2,'e'}});

            obj = obj@multiblock.DefCurvilinear(blocks, conn, boundaryGroups, blocksNames);

            obj.r_inner = r_inner;
            obj.r_outer = r_outer;
            obj.c_inner = c_inner;
            obj.c_outer = c_outer;
        end

        function ms = getGridSizes(obj, m)
           % m_S = m;
% 
%             % m_Radial
%             s = 2*obj.hs;
%             innerArc = obj.r_arc*obj.omega;
%             outerArc = obj.r*pi/2;
%             shortSpoke = obj.r-s/sqrt(2);
%             x = (1/(2-sqrt(3))-1)*obj.hs;
%             longSpoke =  (obj.r+x)-obj.r_arc;
%             m_R = parametrization.equal_step_size((innerArc+outerArc)/2, m_S, (shortSpoke+longSpoke)/2);

            ms = {[m m], [m m], [m m], [m m], [m m]};
        end
    end
end