import { computed } from 'vue'
import { useProjectContext } from '../projects/context'
import { getOperation } from './operations'
import { workflowCheckpoints } from './selectors'

/** 资产编辑沿用项目级互斥；剧本生成或拆解期间不修改其下游资产。 */
export function useProjectMutationGuard() {
    const context = useProjectContext()
    const projectId = computed(() => context.project.value?.id ?? '')
    const operation = computed(() => getOperation(projectId.value))
    const blocked = computed(
        () =>
            !projectId.value ||
            !!context.error.value ||
            operation.value.pending ||
            context.project.value?.status === 'generating' ||
            workflowCheckpoints(context.checkpoints.value, 'breakdown').at(-1)?.state.workflowExecution?.status ===
                'running'
    )
    return { projectId, operation, blocked }
}