[repo]
kind = "recipe"

[[stages]]

name = "master_dark"
description = "Generate master dark"
# disabled = true # can be used to prevent considering this stage (for debugging or whatever)

# We should normally be inheriting this from a common base stage definition
tool.name = "siril"
priority = 2000

# Notice: the following script should be shared between dual duo **and** single duo workflows.  We shouldn't need to delcare it twice.
script = '''
    # Convert Bias Frames to .fit files
    link frames -out={process_dir}
    cd {process_dir}

    # Stack frames
    stack frames rej 3 3 -nonorm -out={output.base}
    '''

[[stages.inputs]]
kind = "session" # Formerly called "repo"
type = "dark"

[[stages.inputs.requires]]
kind = "unprocessed" # master generation never wants to consume already processed frames

# Note: require clauses are evaluated in order.  So for 'min_count' we probably want to test that last, after all other filtering is done.
[[stages.inputs.requires]]
kind = "min_count"
value = 2          # siril needs at least 2 frames to stack, raise an exception if not enough frames found
accept_single = true # if only one frame is found, just reuse it as the output (no stacking needed)

[[stages.outputs]]
kind = "master"