package ckconfig

import (
	"errors"
	"fmt"

	commandkit "gitea.maximumdirect.net/eric/CommandKit"
)

func runConfigOperation[I, S any](invocation commandkit.Invocation, operation Operation, input *configCommandInput[I, S]) commandkit.Outcome {
	if input == nil || input.plan == nil {
		return commandkit.Failure(errors.New("configuration operation was not prepared"))
	}
	if err := invocation.Context.Err(); err != nil {
		return commandkit.Failure(err)
	}
	plan := input.plan
	var state S
	if plan.prepared.newState != nil {
		state = plan.prepared.newState()
	}
	switch operation {
	case Validate:
		return runConfigValidation(invocation, plan, state)
	case Show:
		return runConfigShow(invocation, plan, state)
	case Sources:
		return runConfigSources(invocation, plan, state)
	case Explain:
		return runConfigExplanation(invocation, plan, state)
	default:
		return commandkit.Failure(fmt.Errorf("unsupported configuration operation %q", operation))
	}
}

func configOperationFailure(cause error, diagnostics []commandkit.Diagnostic, reportStarted bool) commandkit.Outcome {
	outcome := commandkit.Failure(cause)
	outcome.Diagnostics = diagnostics
	outcome.ReportIncomplete = reportStarted
	return outcome
}

func configDeliveryFailure(cause error, diagnostics []commandkit.Diagnostic, reportStarted bool) commandkit.Outcome {
	outcome := configOperationFailure(cause, diagnostics, reportStarted)
	outcome.DeliveryError = cause
	return outcome
}