fix : correction des retours de la V0

frontend/composables/useWorkflowSteps.ts

@@ -0,0 +1,83 @@
+import type { Ref } from 'vue'
+import type { WorkflowConfig } from '~/types/workflow'
+
+interface WorkflowStore {
+    current: any
+    isLoading: boolean
+    clearCurrent: () => void
+    [key: string]: any
+}
+
+export const useWorkflowSteps = (config: WorkflowConfig, store: WorkflowStore) => {
+    const route = useRoute()
+    const router = useRouter()
+
+    const stepLabels = config.steps.map(s => s.label)
+
+    const currentStep = computed(() => store.current?.currentStep ?? 0)
+    const entity = computed(() => store.current)
+
+    const loadMethod = `load${config.entityName.charAt(0).toUpperCase() + config.entityName.slice(1)}`
+    const updateMethod = `update${config.entityName.charAt(0).toUpperCase() + config.entityName.slice(1)}`
+
+    const resolveId = (param: unknown) => {
+        const idStr = Array.isArray(param) ? param[0] : param
+        if (!idStr) return null
+        const id = Number(idStr)
+        return Number.isFinite(id) ? id : null
+    }
+
+    const init = () => {
+        watch(
+            () => route.params.id,
+            async (param) => {
+                const id = resolveId(param)
+                if (id === null) {
+                    store.clearCurrent()
+                    return
+                }
+                await store[loadMethod](id)
+            },
+            { immediate: true }
+        )
+    }
+
+    const saveAndHold = async () => {
+        if (!store.current) {
+            await router.push('/')
+            return
+        }
+        const datePayload: Record<string, any> = {}
+        datePayload[config.dateField] = store.current[config.dateField]
+        await store[updateMethod](store.current.id, {
+            currentStep: store.current.currentStep,
+            licensePlate: store.current.licensePlate,
+            ...datePayload
+        })
+        await router.push('/')
+    }
+
+    const handleStepSelect = async (step: number) => {
+        if (!store.current) return
+        if (step === store.current.currentStep) return
+        await store[updateMethod](store.current.id, { currentStep: step })
+        await store[loadMethod](store.current.id)
+    }
+
+    const advanceStep = async () => {
+        if (!store.current) return
+        const nextStep = store.current.currentStep + 1
+        await store[updateMethod](store.current.id, { currentStep: nextStep })
+        await store[loadMethod](store.current.id)
+    }
+
+    return {
+        stepLabels,
+        currentStep,
+        entity,
+        init,
+        saveAndHold,
+        handleStepSelect,
+        advanceStep
+    }
+}