using ClaudeDo.Data.Models;
using Microsoft.EntityFrameworkCore;

namespace ClaudeDo.Data.Repositories;

public sealed class WeekReportRepository
{
    private readonly ClaudeDoDbContext _context;

    public WeekReportRepository(ClaudeDoDbContext context) => _context = context;

    public async Task<WeekReportEntity?> GetByRangeAsync(
        DateOnly start, DateOnly end, CancellationToken ct = default) =>
        await _context.WeekReports.AsNoTracking()
            .FirstOrDefaultAsync(r => r.StartDate == start && r.EndDate == end, ct);

    public async Task UpsertAsync(DateOnly start, DateOnly end, string markdown, CancellationToken ct = default)
    {
        var row = await _context.WeekReports
            .FirstOrDefaultAsync(r => r.StartDate == start && r.EndDate == end, ct);
        if (row is null)
        {
            _context.WeekReports.Add(new WeekReportEntity
            {
                StartDate = start,
                EndDate = end,
                Markdown = markdown,
                GeneratedAt = DateTime.UtcNow,
            });
        }
        else
        {
            row.Markdown = markdown;
            row.GeneratedAt = DateTime.UtcNow;
        }
        await _context.SaveChangesAsync(ct);
    }
}
