function [ combined_structure] =  tcv_ids_pf_active_definition()
% All circuits are connected in series and has only 1 power supply, so they
% share the same current.

% {Coil name}, [connection side identifier]
error_fixed = 200.;
coil_names_and_current_sign = {...
 {'A_001'}, [1], error_fixed*0.007; ... % Circuit 1
 {'B_001', 'B_002',  'C_001',  'C_002',  'D_001',  'D_002'}, [1, 1, 1, 1, 1, 1], ...
    error_fixed*[0.03448275862, 0.03448275862, 0.08333333333333, 0.08333333333333, 0.125, 0.125]; ... % Circuit 2
    {'E_001'}, [1], error_fixed*0.02941176470588; ... % Circuit 3
    {'E_002'}, [1], error_fixed*0.02941176470588; ... % Circuit 4
    {'E_003'}, [1], error_fixed*0.02941176470588; ... % Circuit 5
    {'E_004'}, [1], error_fixed*0.02941176470588; ... % Circuit 6
    {'E_005'}, [1], error_fixed*0.02941176470588; ... % Circuit 7
    {'E_006'}, [1], error_fixed*0.02941176470588; ... % Circuit 8
    {'E_007'}, [1], error_fixed*0.02941176470588; ... % Circuit 9
    {'E_008'}, [1], error_fixed*0.02941176470588; ... % Circuit 10
    {'F_001'}, [1], error_fixed*0.02777777777778; ... % Circuit 11
    {'F_002'}, [1], error_fixed*0.02777777777778; ... % Circuit 12
    {'F_003'}, [1], error_fixed*0.02777777777778; ... % Circuit 13
    {'F_004'}, [1], error_fixed*0.02777777777778; ... % Circuit 14
    {'F_005'}, [1], error_fixed*0.02777777777778; ... % Circuit 15
    {'F_006'}, [1], error_fixed*0.02777777777778; ... % Circuit 16
    {'F_007'}, [1], error_fixed*0.02777777777778; ... % Circuit 17
    {'F_008'}, [1], error_fixed*0.02777777777778; ... % Circuit 18
    {'G_001', 'G_002', 'G_003', 'G_004', 'G_005', 'G_006'}, [1,1,1,-1,-1,-1], error_fixed*[1, 1, 1, 1, 1, 1]; ... % Circuit 19 Lower coils connected in opposite direcetion
    {'T_001', 'T_002', 'T_003'}, [1,1,-1], error_fixed*[2.61538489704145, 1.619047511111125, 1]; ...% Circuit 20 %T003 in opposite direction
};
power_supply_names_and_current_sign = {...
{'OH1'}, [1];... % Circuit 1
{'OH2'}, [1];... % Circuit 2
{'E1'},  [1];...% Circuit 3
{'E2'},  [1];...% Circuit 4
{'E3'},  [1];... % Circuit 5
{'E4'},  [1];... % Circuit 6
{'E5'},  [1];... % Circuit 7
{'E6'},  [1];... % Circuit 8
{'E7'},  [1];... % Circuit 9
{'E8'},  [1];... % Circuit 10
{'F1'},  [1];... % Circuit 11
{'F2'},  [1];... % Circuit 12
{'F3'},  [1];... % Circuit 13
{'F4'},  [1];... % Circuit 14
{'F5'},  [1];... % Circuit 15
{'F6'},  [1];... % Circuit 16
{'F7'},  [1];... % Circuit 17
{'F8'},  [1];... % Circuit 18
{'FPS'}, [1];...% Circuit 19
{'T'},   [1];... % Circuit 20
};

coil_names = {coil_names_and_current_sign{:,1}}';
coil_current_sign = {coil_names_and_current_sign{:,2}};
coil_current_error = {coil_names_and_current_sign{:,3}};
power_supply_names = {power_supply_names_and_current_sign{:,1}}';
power_supply_current_sign = {power_supply_names_and_current_sign{:,2}};


circuit_names = power_supply_names;

% mds path to be called with gdat
mds_paths = {...
 '\magnetics::ipol[*,"OH_001"]';... % Circuit 1
 '\magnetics::ipol[*,"OH_002"]'; ... % Circuit 2
 '\magnetics::ipol[*,"E_001"]';... % Circuit 3
 '\magnetics::ipol[*,"E_002"]';...% Circuit 4
 '\magnetics::ipol[*,"E_003"]';...% Circuit 5
 '\magnetics::ipol[*,"E_004"]';...% Circuit 6
 '\magnetics::ipol[*,"E_005"]';...% Circuit 7
 '\magnetics::ipol[*,"E_006"]';...% Circuit 8
 '\magnetics::ipol[*,"E_007"]';...% Circuit 9
 '\magnetics::ipol[*,"E_008"]'; ...% Circuit 10
 '\magnetics::ipol[*,"F_001"]';...% Circuit 11
 '\magnetics::ipol[*,"F_002"]';...% Circuit 12
 '\magnetics::ipol[*,"F_003"]';...% Circuit 13
 '\magnetics::ipol[*,"F_004"]';...% Circuit 14
 '\magnetics::ipol[*,"F_005"]';...% Circuit 15
 '\magnetics::ipol[*,"F_006"]';...% Circuit 16
 '\magnetics::ipol[*,"F_007"]';...% Circuit 17
 '\magnetics::ipol[*,"F_008"]';... % Circuit 18
 'is_in("G_001",dim_of(\magnetics::ipol,1)) ? \magnetics::ipol[*,"G_001"] : make_signal(zero(shape(data(\magnetics::ipol))[0],1.0),*,dim_of(\magnetics::ipol,0))';... % G coils % Circuit 19
 '\magnetics::iphi';... % Connection between tf coils % Circuit 20
};


% Combined structure
combined_structure = struct();
combined_structure.coil_names = coil_names;
combined_structure.power_supply_names = power_supply_names;
combined_structure.mds_paths = mds_paths;
combined_structure.coil_current_signs = coil_current_sign;
combined_structure.coil_current_error = coil_current_error;
combined_structure.power_supply_current_signs = power_supply_current_sign;
combined_structure.circuit_names = circuit_names;
combined_structure = get_circuiting(combined_structure); %Add circuiting information

%% Create the connection matrix from the previous information
function circuit_struct = get_circuiting(circuit_struct)
% Get dimension of the circuits
circuit_struct.ntotcircuits = numel(circuit_struct.circuit_names);
circuit_struct.ntotpowersupplies = numel(circuit_struct.power_supply_names);
circuit_struct.ntotcoils = numel([circuit_struct.coil_names{1:end}]);
circuit_struct.ncoilpercircuit = zeros(1,circuit_struct.ntotcircuits);
for ii=1:circuit_struct.ntotcircuits
   circuit_struct.ncoilpercircuit(ii) =  numel(circuit_struct.coil_names{ii});
end

% Each circuit has only 1 power supply-> number of elements per circuit =
% number of nodes per circuit= number of coils per circuit + 1;
circuit_struct.nnodespercircuit = circuit_struct.ncoilpercircuit + 1;
circuit_struct.nelementspercircuit = circuit_struct.nnodespercircuit;
circuit_struct.ntotelements = sum(circuit_struct.nnodespercircuit);

circuit_struct.connection_matrix = struct([]);

power_supply_index = 0;
coil_column_index = 2*circuit_struct.ntotpowersupplies ;
for ii=1:circuit_struct.ntotcircuits
    circuit_connection_matrix = zeros(circuit_struct.nnodespercircuit(ii), 2*circuit_struct.ntotelements);

    % Put power supply connection
    power_supply_index = ii;
    if circuit_struct.power_supply_current_signs{power_supply_index} == 1
        circuit_connection_matrix(1,2*(power_supply_index-1)+2) = 1;
        circuit_connection_matrix(circuit_struct.nnodespercircuit(ii),2*(power_supply_index-1)+1) = 1;
    elseif circuit_struct.power_supply_current_signs{power_supply_index} == -1
        circuit_connection_matrix(1,2*(power_supply_index-1)+1) = 1;
        circuit_connection_matrix(circuit_struct.nnodespercircuit(ii),2*(power_supply_index-1)+2) = 1;
    end

    % Put coil connection
    for jj=1:circuit_struct.ncoilpercircuit(ii)
        if circuit_struct.coil_current_signs{ii}(jj) == 1
            circuit_connection_matrix(jj, coil_column_index + 2*(jj-1) + 1  ) = 1;
            circuit_connection_matrix(jj + 1, coil_column_index + 2*(jj-1) + 2 ) = 1;

        elseif circuit_struct.coil_current_signs{ii}(jj) == -1
            circuit_connection_matrix(jj, coil_column_index + 2*(jj-1) + 2  ) = 1;
            circuit_connection_matrix(jj + 1, coil_column_index + 2*(jj-1) + 1 ) = 1;
        end
    end

    coil_column_index = coil_column_index + 2*circuit_struct.ncoilpercircuit(ii);
    circuit_struct.connection_matrix{ii} = circuit_connection_matrix;

    % Plot all the connaction matrices as a check
    doplot = 0;
    if doplot
    plot_connection_matrix(circuit_connection_matrix, circuit_struct.power_supply_names, circuit_struct.coil_names);
    end

end

%% Plot connection matrix
function plot_connection_matrix(mat, psnames, cnames, circuitname, circuit )
% Plot the value of a matrix in separated block
figure
b = zeros([size(mat)]+1);
b(1:end-1, 1:end-1) = mat;

pcolor(b)

yti = [1:size(b,1)]+0.5;
xti = [1:size(b,2)]+0.5;

ylab = cellstr(num2str([1:size(b,1)-1]'));
index = 0;
xlab = {};
% Get the labels
for ii=1:numel(psnames)
    index = index +1;
    xlab{index} = [psnames{ii}{1} 'in'];
    index = index +1;
    xlab{index} = [psnames{ii}{1} 'out'];
end
for ii=1:numel(cnames)
    for jj=1:numel(cnames{ii})

        index = index +1;
        xlab{index} = [cnames{ii}{jj} 'in'];
        index = index +1;
        xlab{index} = [cnames{ii}{jj} 'out'];
    end
end

shg
axis ij
ax = gca;
colormap(bone(2))
xlabel('Element name');
ylabel('Node');
set(ax,'Xtick', xti, 'Ytick', yti, 'XTickLabel', xlab, 'YTickLabel', ylab')