using System.Collections.Generic;

namespace LaDOSE.DTO
{
    /// <summary>
    /// Body of POST /api/Sheets/Export. The target spreadsheet is deliberately absent: it comes
    /// from server configuration only, so a caller cannot redirect the export.
    /// </summary>
    public class SheetExportRequestDTO
    {
        /// <summary>
        /// One tab per selected event, oldest first. Tab N holds events 1..N merged, so the last
        /// tab is the full cumulative ranking for the selection.
        /// </summary>
        public List<SheetTableDTO> Tabs { get; set; }
    }

    /// <summary>One tab: a players x games grid with a Total column, as built by buildRanking().</summary>
    public class SheetTableDTO
    {
        /// <summary>Desired tab title, e.g. "Ranking #1301". Sanitised server-side.</summary>
        public string Name { get; set; }

        /// <summary>Provenance and logging only; tabs are addressed by title.</summary>
        public int EventId { get; set; }

        /// <summary>["Players", &lt;game names...&gt;, "Total"].</summary>
        public List<string> Header { get; set; }

        public List<SheetRowDTO> Rows { get; set; }

        /// <summary>Provenance lines written below the grid.</summary>
        public List<string> Footer { get; set; }
    }

    public class SheetRowDTO
    {
        public string Player { get; set; }

        /// <summary>
        /// Index-aligned with Header[1..^1]. Typed int, not string, so the values land in the
        /// sheet as numbers and existing formulas and conditional formatting keep working.
        /// </summary>
        public List<int> Points { get; set; }

        public int Total { get; set; }
    }

    public class SheetExportResultDTO
    {
        public string SpreadsheetId { get; set; }
        public string SpreadsheetUrl { get; set; }
        public string Writer { get; set; }
        public List<SheetTabResultDTO> Tabs { get; set; }
        public List<string> Warnings { get; set; }
    }

    public class SheetTabResultDTO
    {
        public string RequestedName { get; set; }
        public string Name { get; set; }
        public int Rows { get; set; }
        public int Columns { get; set; }
        public bool Created { get; set; }
    }

    /// <summary>
    /// Response of GET /api/Sheets/Config. Never carries the credentials path or any secret —
    /// only what the export panel needs to render itself.
    /// </summary>
    public class SheetsConfigDTO
    {
        /// <summary>"ServiceAccount" | "Logging" | "Disabled".</summary>
        public string Writer { get; set; }

        public bool Configured { get; set; }
        public string SpreadsheetId { get; set; }
        public int MaxTabs { get; set; }
        public int MaxRowsPerTab { get; set; }
    }
}