const League = struct {
    name: []const u8,
};

const LeaguePickScore = struct {
    season_id: i32,
    league_id: i32,
    team: []const u8,
    player: []const u8,
    win: i32,
    playoffs: ?i16,
    divisional: ?i16,
    conference: ?i16,
    superbowl: ?i16,
    champion: ?i16,
    total: i32,
};

const PlayerScore = struct {
    player: []const u8,
    score: i32,
};

pub fn handler(env: *Env, req: *httpz.Request, res: *httpz.Response) !void {
    if (req.params.get("id")) |league_id| {
        const query = try req.query();
        var league: League = undefined;
        const league_query =
            \\SELECT name FROM leagues WHERE league_id = $1
        ;
        var league_result = (try env.app.pool.row(league_query, .{league_id})) orelse {
            res.status = 404;
            return;
        };
        defer league_result.deinit() catch {};

        league = try league_result.to(League, .{});

        var team_scores_result: *pg.Result = undefined;
        var player_scores_result: *pg.Result = undefined;

        if (query.get("season")) |season_id| {
            player_scores_result = try env.app.pool.query("SELECT player, score FROM season_player_scores WHERE league_id = $1 AND season_id = season_id_by_year($2)", .{ league_id, season_id });
            team_scores_result = try env.app.pool.query("SELECT * FROM league_scores WHERE league_id = $1 AND season_id = season_id_by_year($2)", .{ league_id, season_id });
        } else {
            player_scores_result = try env.app.pool.query("SELECT player, score FROM current_player_scores WHERE league_id = $1", .{league_id});
            team_scores_result = try env.app.pool.query("SELECT * FROM league_scores WHERE league_id = $1 AND season_id = current_season()", .{league_id});
        }
        defer player_scores_result.deinit();
        defer team_scores_result.deinit();

        var scores: [32]LeaguePickScore = undefined;
        var score_count: u8 = 0;
        while (try team_scores_result.next()) |row| : (score_count += 1) {
            const score = try row.to(LeaguePickScore, .{ .dupe = true });
            scores[score_count] = score;
        }

        var player_scores: [2]PlayerScore = undefined;
        {
            var i: u8 = 0;
            while (try player_scores_result.next()) |row| : (i += 1) {
                const score = try row.to(PlayerScore, .{});
                player_scores[i] = score;
            }
        }

        try web.renderWithData("league", .{
            .league = league,
            .scores = scores[0..score_count],
            .player_scores = player_scores,
        }, req, res);
    }
}

const httpz = @import("httpz");
const pg = @import("pg");
const Env = @import("../../env.zig").Env;
const web = @import("../../web/web.zig");
const std = @import("std");