package store

import (
	"database/sql"
	"strings"
)

type Experience struct {
	ID           int      `json:"id"`
	Company      string   `json:"company"`
	EmployeeType string   `json:"employee_type"`
	Position     string   `json:"position"`
	Tasks        []string `json:"tasks"`
	Tools        string   `json:"tools"`
	Years        int      `json:"years"`
}

type SQLiteExperienceStore struct {
	db *sql.DB
}

func NewSQLiteExperienceStore(db *sql.DB) *SQLiteExperienceStore {
	return &SQLiteExperienceStore{db: db}
}

func (s *SQLiteExperienceStore) GetAllExperiences() ([]Experience, error) {
	rows, err := s.db.Query("SELECT id, company, employee_type, position, tasks, tools, years FROM experience")
	if err != nil {
		return nil, err
	}
	defer rows.Close()

	var experience []Experience
	for rows.Next() {
		var e Experience
		var tasks sql.NullString
		if err := rows.Scan(&e.ID, &e.Company, &e.EmployeeType, &e.Position, &tasks, &e.Tools, &e.Years); err != nil {
			return nil, err
		}
		if tasks.Valid {
			e.Tasks = strings.Split(tasks.String, ",")
		}
		experience = append(experience, e)
	}
	return experience, nil
}