mlb fix (#87)

Co-authored-by: Claude <noreply@anthropic.com>
Reviewed-on: #87

app/services/standings-sync/__tests__/mlb.test.ts

@@ -332,4 +332,135 @@ describe("MlbStandingsAdapter", () => {
     const adapter = new MlbStandingsAdapter();
     await expect(adapter.fetchStandings()).rejects.toThrow();
   });
+
+  it("resolves division from hardcoded map when ESPN returns flat structure (no division children)", async () => {
+    const flatResponse = {
+      children: [
+        {
+          name: "American League",
+          // No "children" key — ESPN returns all AL teams directly in standings.entries
+          standings: {
+            entries: [
+              {
+                team: { id: "30", displayName: "Tampa Bay Rays" },
+                stats: [
+                  { name: "wins", value: 40 },
+                  { name: "losses", value: 25 },
+                  { name: "winPercent", value: 0.615 },
+                  { name: "gamesBehind", value: 0 },
+                  { name: "playoffSeed", value: 1 },
+                ],
+              },
+              {
+                team: { id: "10", displayName: "New York Yankees" },
+                stats: [
+                  { name: "wins", value: 41 },
+                  { name: "losses", value: 26 },
+                  { name: "winPercent", value: 0.612 },
+                  { name: "gamesBehind", value: 0 },
+                  { name: "playoffSeed", value: 2 },
+                ],
+              },
+              {
+                team: { id: "4", displayName: "Chicago White Sox" },
+                stats: [
+                  { name: "wins", value: 36 },
+                  { name: "losses", value: 31 },
+                  { name: "winPercent", value: 0.537 },
+                  { name: "gamesBehind", value: 5 },
+                  { name: "playoffSeed", value: 3 },
+                ],
+              },
+            ],
+          },
+        },
+        {
+          name: "National League",
+          standings: {
+            entries: [
+              {
+                team: { id: "15", displayName: "Atlanta Braves" },
+                stats: [
+                  { name: "wins", value: 45 },
+                  { name: "losses", value: 23 },
+                  { name: "winPercent", value: 0.662 },
+                  { name: "gamesBehind", value: 0 },
+                  { name: "playoffSeed", value: 1 },
+                ],
+              },
+            ],
+          },
+        },
+      ],
+    };
+
+    vi.mocked(fetch).mockResolvedValueOnce({
+      ok: true,
+      json: async () => flatResponse,
+    } as Response);
+
+    const adapter = new MlbStandingsAdapter();
+    const records = await adapter.fetchStandings();
+
+    const rays = records.find((r) => r.teamName === "Tampa Bay Rays");
+    const yankees = records.find((r) => r.teamName === "New York Yankees");
+    const whiteSox = records.find((r) => r.teamName === "Chicago White Sox");
+    const braves = records.find((r) => r.teamName === "Atlanta Braves");
+
+    // Division should be resolved from hardcoded map
+    expect(rays?.division).toBe("AL East");
+    expect(yankees?.division).toBe("AL East");
+    expect(whiteSox?.division).toBe("AL Central");
+    expect(braves?.division).toBe("NL East");
+
+    // Conference should still be abbreviated correctly
+    expect(rays?.conference).toBe("AL");
+    expect(braves?.conference).toBe("NL");
+
+    // divisionRank is sorted by win-loss within each division, NOT by ESPN response order.
+    // Yankees (41-26) has a better record than Rays (40-25) even though Rays appears first
+    // in ESPN's flat list → Yankees should be divisionRank 1.
+    expect(yankees?.divisionRank).toBe(1);
+    expect(rays?.divisionRank).toBe(2);
+    // White Sox is alone in AL Central sample → divisionRank 1
+    expect(whiteSox?.divisionRank).toBe(1);
+    // Braves is alone in NL East sample → divisionRank 1
+    expect(braves?.divisionRank).toBe(1);
+  });
+
+  it("warns to console when a team display name is not in the hardcoded division map", async () => {
+    const unknownTeamResponse = {
+      children: [
+        {
+          name: "American League",
+          standings: {
+            entries: [
+              {
+                team: { id: "99", displayName: "Portland Lumberjacks" },
+                stats: [
+                  { name: "wins", value: 30 },
+                  { name: "losses", value: 30 },
+                  { name: "winPercent", value: 0.5 },
+                ],
+              },
+            ],
+          },
+        },
+      ],
+    };
+
+    vi.mocked(fetch).mockResolvedValueOnce({
+      ok: true,
+      json: async () => unknownTeamResponse,
+    } as Response);
+
+    const warnSpy = vi.spyOn(console, "warn").mockImplementation(() => {});
+    const adapter = new MlbStandingsAdapter();
+    await adapter.fetchStandings();
+
+    expect(warnSpy).toHaveBeenCalledWith(
+      expect.stringContaining("Portland Lumberjacks")
+    );
+    warnSpy.mockRestore();
+  });
 });

app/services/standings-sync/mlb.ts

@@ -10,6 +10,49 @@ import {
 const MLB_STANDINGS_URL =
   "https://site.api.espn.com/apis/v2/sports/baseball/mlb/standings";
 
+// Fallback division lookup for when ESPN's API doesn't return division groupings.
+// Keyed by the team's ESPN displayName. Athletics entries cover the Oakland→Las Vegas rename.
+const MLB_TEAM_DIVISION: Record<string, string> = {
+  // AL East
+  "Baltimore Orioles": "AL East",
+  "Boston Red Sox": "AL East",
+  "New York Yankees": "AL East",
+  "Tampa Bay Rays": "AL East",
+  "Toronto Blue Jays": "AL East",
+  // AL Central
+  "Chicago White Sox": "AL Central",
+  "Cleveland Guardians": "AL Central",
+  "Detroit Tigers": "AL Central",
+  "Kansas City Royals": "AL Central",
+  "Minnesota Twins": "AL Central",
+  // AL West
+  "Houston Astros": "AL West",
+  "Los Angeles Angels": "AL West",
+  "Athletics": "AL West",
+  "Oakland Athletics": "AL West",
+  "Las Vegas Athletics": "AL West",
+  "Seattle Mariners": "AL West",
+  "Texas Rangers": "AL West",
+  // NL East
+  "Atlanta Braves": "NL East",
+  "Miami Marlins": "NL East",
+  "New York Mets": "NL East",
+  "Philadelphia Phillies": "NL East",
+  "Washington Nationals": "NL East",
+  // NL Central
+  "Chicago Cubs": "NL Central",
+  "Cincinnati Reds": "NL Central",
+  "Milwaukee Brewers": "NL Central",
+  "Pittsburgh Pirates": "NL Central",
+  "St. Louis Cardinals": "NL Central",
+  // NL West
+  "Arizona Diamondbacks": "NL West",
+  "Colorado Rockies": "NL West",
+  "Los Angeles Dodgers": "NL West",
+  "San Diego Padres": "NL West",
+  "San Francisco Giants": "NL West",
+};
+
 // "American League" → "AL", "National League" → "NL"
 function abbreviateLeague(name: string): string {
   if (name.startsWith("American")) return "AL";
@@ -39,23 +82,33 @@ export class MlbStandingsAdapter implements StandingsSyncAdapter {
     }
 
     // Pre-build statsMap once per entry so the sort doesn't rebuild it on every comparison.
-    const withSm = flattened.map(({ entry, conference, division }) => ({
-      entry,
-      conference,
-      division,
-      sm: statsMap(entry.stats),
-    }));
+    // Resolve division: use ESPN's value when present; fall back to the hardcoded map.
+    const withSm = flattened.map(({ entry, conference, division }) => {
+      const resolvedDivision = division || MLB_TEAM_DIVISION[entry.team.displayName] || "";
+      if (!resolvedDivision) {
+        // eslint-disable-next-line no-console
+        console.warn(
+          `[MLB standings] No division found for team "${entry.team.displayName}" (id=${entry.team.id}). ` +
+            "Update MLB_TEAM_DIVISION if this is a renamed or expansion team."
+        );
+      }
+      return { entry, conference, division: resolvedDivision, sm: statsMap(entry.stats) };
+    });
 
     // Compute divisionRank: rank each team within its own division by win/loss.
+    // Key includes conference to prevent AL/NL teams from sharing a group when ESPN
+    // returns short names like "East" for both leagues, or no names at all.
+    // Sort by win/loss within each group so rank 1 is always the best record,
+    // regardless of the order ESPN returns teams in the response.
     const divisionRankMap = new Map<string, number>();
     const divisionGroups = new Map<string, typeof withSm>();
     for (const item of withSm) {
-      const key = item.division;
+      const key = `${item.conference}:${item.division}`;
       if (!divisionGroups.has(key)) divisionGroups.set(key, []);
       divisionGroups.get(key)?.push(item);
     }
     for (const divEntries of divisionGroups.values()) {
-      // Use the ESPN entry order within each division — ESPN already applies correct tiebreakers.
+      divEntries.sort(sortByWinLoss);
       divEntries.forEach((e, i) => {
         divisionRankMap.set(e.entry.team.id, i + 1);
       });