"use client";

import { useCallback } from "react";
import {
  createDefaultCVData,
  type CVCareerData,
  type CVTabId,
  type Experience,
} from "@/lib/types/cv";
import { localStorageAdapter } from "@/lib/storage";
import { useLocalStorage } from "@/lib/hooks/useLocalStorage";

export interface UseCVDataReturn {
  data: CVCareerData;
  setText: (tab: CVTabId, value: string) => void;
  addExperience: (titre: string, contenu: string) => void;
  updateExperience: (id: string, titre: string, contenu: string) => void;
  removeExperience: (id: string) => void;
  resetCV: () => void;
  importCV: (value: CVCareerData) => void;
}

const DEFAULT_TITLE = "Expérience";

export function useCVData(): UseCVDataReturn {
  const [data, setData] = useLocalStorage<CVCareerData>(
    localStorageAdapter,
    createDefaultCVData(),
  );

  const setText = useCallback(
    (tab: CVTabId, value: string) => {
      setData((prev) => ({ ...prev, [tab]: value }));
    },
    [setData],
  );

  const addExperience = useCallback(
    (titre: string, contenu: string) => {
      setData((prev) => {
        const now = Date.now();
        const experience: Experience = {
          id: crypto.randomUUID(),
          titre: titre.trim() || DEFAULT_TITLE,
          contenu,
          createdAt: now,
          updatedAt: now,
        };
        return { ...prev, experiences: [...prev.experiences, experience] };
      });
    },
    [setData],
  );

  const updateExperience = useCallback(
    (id: string, titre: string, contenu: string) => {
      setData((prev) => ({
        ...prev,
        experiences: prev.experiences.map((exp) =>
          exp.id === id
            ? {
                ...exp,
                titre: titre.trim() || DEFAULT_TITLE,
                contenu,
                updatedAt: Date.now(),
              }
            : exp,
        ),
      }));
    },
    [setData],
  );

  const removeExperience = useCallback(
    (id: string) => {
      setData((prev) => ({
        ...prev,
        experiences: prev.experiences.filter((exp) => exp.id !== id),
      }));
    },
    [setData],
  );

  const resetCV = useCallback(() => {
    setData(createDefaultCVData());
  }, [setData]);

  const importCV = useCallback((value: CVCareerData) => {
    setData(value);
  }, [setData]);

  return {
    data,
    setText,
    addExperience,
    updateExperience,
    removeExperience,
    resetCV,
    importCV,
  };
}