import rhinoscriptsyntax as rs
rs.DeleteObjects(rs.AllObjects())


def create_double_hanging_truss():
    # Parameters for the roof structure
    """roof_length = rs.GetReal("Enter the roof length", 30.0)
    roof_height = rs.GetReal("Enter the roof height", 5.0)
    roof_span = rs.GetReal("Enter the roof span (width)", 18.0)
    truss_spacing = rs.GetReal("Enter the spacing between trusses", 4.0)"""
    
    roof_length = 30.0
    roof_height = 6
    roof_span = 16
    truss_spacing = 4.0

    if not all([roof_length, roof_height, roof_span, truss_spacing]):
        print("Invalid input parameters.")
        return

    # Proportional dimensions based on diagram
    lower_chord_length = 0.4 * roof_length
    side_chord_length = 0.3 * roof_length
    ridge_position = roof_length / 2

    num_trusses = int(roof_length / truss_spacing) + 1

    trusses = []

    for i in range(num_trusses):
        x_offset = i * truss_spacing

        # Bottom of the truss (lower chord)
        left_base = (x_offset, 0, 0)
        right_base = (x_offset, roof_span, 0)

        # Top of the truss (ridge point)
        ridge_point = (x_offset, roof_span / 2, roof_height)

        # Create the main triangular truss
        truss_lines = [
            rs.AddLine(left_base, ridge_point),  # Left rafter
            rs.AddLine(right_base, ridge_point),  # Right rafter
            rs.AddLine(left_base, right_base),  # Bottom chord
        ]

        # Add the collar tie (horizontal beam)
        collar_tie_start = (x_offset, roof_span * 0.3, roof_height * 0.5)
        collar_tie_end = (x_offset, roof_span * 0.7, roof_height * 0.5)
        truss_lines.append(rs.AddLine(collar_tie_start, collar_tie_end))

        # Add vertical hangers (suspenders)
        hanger_top = (x_offset, roof_span / 2, roof_height * 0.5)
        hanger_bottom = (x_offset, roof_span / 2, 0)
        truss_lines.append(rs.AddLine(hanger_top, hanger_bottom))

        # Add Vertical carrier hanger
        left_hanger_start = (x_offset, roof_span * 0.3, roof_height * 0.6)
        left_hanger_end = (x_offset, roof_span * 0.3, 0)
        right_hanger_start = (x_offset, roof_span * 0.7, roof_height * 0.6)
        right_hanger_end = (x_offset, roof_span * 0.7, 0)

        truss_lines.append(rs.AddLine(left_hanger_start, left_hanger_end))
        truss_lines.append(rs.AddLine(right_hanger_start, right_hanger_end))
        
        # Add diagonal braces (struts)
        left_brace_start = (x_offset, roof_span * 0.3, roof_height * 0.5)
        left_brace_end = (x_offset, roof_span * 0.05, 0)
        right_brace_start = (x_offset, roof_span * 0.7, roof_height * 0.5)
        right_brace_end = (x_offset, roof_span * 0.95, 0)

        truss_lines.append(rs.AddLine(left_brace_start, left_brace_end))
        truss_lines.append(rs.AddLine(right_brace_start, right_brace_end))

        trusses.extend(truss_lines)

"""
roof_length = 30.0
lower_chord_length= 0.4 * roof_length
chord_height=0.4
chord_width=0.24"""
"""def make_lowerchord(insertion=[0,0,0], xsize=10, ysize=10, zsize=10):
corners_lowerchord=[[0,0,0], [lower_chord_length,0,0], [lower_chord_length,chord_width,0], [0,chord_width,0], [0,0,chord_height], [lower_chord_length,0,chord_height], [lower_chord_length,ysize,zsize], [0,chord_width,chord_height]]
    box = rs.AddBox(corners)
    rs.MoveObjects(box, (-xsize/2, -ysize/2, 0))
    rs.MoveObject(box,insertion)
    return(box)"""
"""def make_box(insertion=[0,0,0], xsize=10, ysize=10, zsize=10):
    corners = [[0,0,0], [xsize,0,0], [xsize,ysize,0], [0,ysize,0],
            [0,0,zsize], [xsize,0,zsize], [xsize,ysize,zsize], [0,ysize,zsize]]
    box = rs.AddBox(corners)
    rs.MoveObjects(box, (-xsize/2, -ysize/2, 0))
    rs.MoveObject(box,insertion)
    return(box)
corners_lowerchord=[[0,0,0], [lower_chord_length,0,0], [lower_chord_length,chord_width,0], [0,chord_width,0], [0,0,chord_height], [lower_chord_length,0,chord_height], [lower_chord_length,chord_width,chord_height], [0,chord_width,chord_height]]
make_box(corners_lowerchord)"""
#Lowerchord Variables









"""# Group all trusses
    rs.AddGroup("Trusses")
    rs.AddObjectsToGroup(trusses, "Trusses")

    print("Double hanging truss structure completed.")
"""

if __name__ == "__main__":
    create_double_hanging_truss()