feat : better og-image

lib/og-image.tsx

@@ -6,11 +6,15 @@ import { join } from "node:path";
 import { ImageResponse } from "next/og";
 import sharp from "sharp";
 
+import { rarityGradient } from "@/lib/catalog/rarity";
+import { artifactTierCount } from "@/lib/guides/artifacts";
+
 export const ogImageSize = { width: 1222, height: 560 } as const;
 export const ogImageContentType = "image/png";
 
 let bannerDataPromise: Promise<string> | undefined;
 let fontDataPromise: Promise<Buffer> | undefined;
+let characterFontDataPromise: Promise<Buffer> | undefined;
 const imageDataPromises = new Map<string, Promise<string | null>>();
 
 function shorten(value: string, length: number): string {
@@ -20,6 +24,12 @@ function shorten(value: string, length: number): string {
     : normalized;
 }
 
+function metric(value: string): string {
+  return Number(value) === 0
+    ? "-%"
+    : `${Number(value).toLocaleString("en-US", { maximumFractionDigits: 2 })}%`;
+}
+
 function getBannerData(): Promise<string> {
   bannerDataPromise ??= readFile(
     join(process.cwd(), "public/web_banner.png"),
@@ -33,6 +43,11 @@ function getFontData(): Promise<Buffer> {
   return fontDataPromise;
 }
 
+function getCharacterFontData(): Promise<Buffer> {
+  characterFontDataPromise ??= readFile(join(process.cwd(), "public/zh-cn.ttf"));
+  return characterFontDataPromise;
+}
+
 function getImageData(url: string): Promise<string | null> {
   const cached = imageDataPromises.get(url);
   if (cached) return cached;
@@ -56,19 +71,57 @@ export async function generateOgImage({
   characterCard = false,
   backgroundUrl,
   characterUrl,
+  recommendedWeapon,
+  recommendedArtifact,
 }: {
   title: string;
   sub: string;
   characterCard?: boolean;
   backgroundUrl?: string | null;
   characterUrl?: string | null;
+  recommendedWeapon?: {
+    name: string;
+    refinement: number;
+    rarity: number | null;
+    imageUrl: string;
+    overallPercent: string | null;
+    personalPercent: string | null;
+  } | null;
+  recommendedArtifact?: {
+    first: {
+      name: string;
+      rarity: number | null;
+      imageUrl: string;
+    };
+    second: {
+      name: string;
+      rarity: number | null;
+      imageUrl: string;
+    } | null;
+    percent: string;
+  } | null;
 }) {
-  const [bannerSrc, kanit, characterBackgroundSrc, characterArtSrc] =
+  const [
+    bannerSrc,
+    kanit,
+    characterFont,
+    characterBackgroundSrc,
+    characterArtSrc,
+    weaponArtSrc,
+    firstArtifactArtSrc,
+    secondArtifactArtSrc,
+  ] =
     await Promise.all([
       characterCard ? null : getBannerData(),
       getFontData(),
+      characterCard ? getCharacterFontData() : null,
       characterCard && backgroundUrl ? getImageData(backgroundUrl) : null,
       characterCard && characterUrl ? getImageData(characterUrl) : null,
+      recommendedWeapon ? getImageData(recommendedWeapon.imageUrl) : null,
+      recommendedArtifact ? getImageData(recommendedArtifact.first.imageUrl) : null,
+      recommendedArtifact?.second
+        ? getImageData(recommendedArtifact.second.imageUrl)
+        : null,
     ]);
   const backgroundSrc = characterCard ? characterBackgroundSrc : bannerSrc;
 
@@ -80,6 +133,7 @@ export async function generateOgImage({
         height: "560px",
         fontFamily: "Kanit",
         color: "#fff",
+        textShadow: "0 2px 8px rgba(0, 0, 0, 0.8)",
         position: "relative",
         overflow: "hidden",
       }}
@@ -123,7 +177,7 @@ export async function generateOgImage({
           display: "flex",
           flexDirection: "column",
           right: characterCard ? "560px" : "450px",
-          bottom: "100px",
+          bottom: recommendedWeapon || recommendedArtifact ? "28px" : "100px",
         }}
       >
         {characterCard ? (
@@ -131,7 +185,7 @@ export async function generateOgImage({
             เกนชินไม่ใช่เกมมือถือไกด์
           </div>
         ) : null}
-        <div style={{ display: "flex", fontSize: 64, marginTop: characterCard ? "8px" : 0 }}>
+        <div style={{ display: "flex", fontFamily: characterCard ? "Genshin" : "Kanit", fontSize: 64, marginTop: characterCard ? "8px" : 0 }}>
           {shorten(title, 24)}
         </div>
         <div
@@ -139,16 +193,123 @@ export async function generateOgImage({
             display: "flex",
             fontSize: 24,
             marginTop: characterCard ? "8px" : "-20px",
-            color: "#aaa",
+            color: "#fff",
           }}
         >
           {shorten(sub, 92)}
         </div>
+        {recommendedWeapon ? (
+          <div
+            style={{
+              display: "flex",
+              width: "500px",
+              height: "72px",
+              marginTop: "14px",
+              overflow: "hidden",
+              borderRadius: "12px",
+              background: "#fff",
+            }}
+          >
+            <div
+              style={{
+                display: "flex",
+                flex: recommendedWeapon.overallPercent || recommendedWeapon.personalPercent ? 3 : 1,
+                alignItems: "center",
+                gap: "10px",
+                overflow: "hidden",
+                borderBottomRightRadius: "48px",
+                background: rarityGradient(recommendedWeapon.rarity),
+                color: "#fff",
+                padding: "6px 28px 6px 10px",
+              }}
+            >
+              {weaponArtSrc ? (
+                <img
+                  src={weaponArtSrc}
+                  alt=""
+                  width={60}
+                  height={60}
+                  style={{ width: "60px", height: "60px", objectFit: "contain" }}
+                />
+              ) : null}
+              <div style={{ display: "flex", fontSize: 20 }}>
+                {shorten(recommendedWeapon.name, 19)} R{recommendedWeapon.refinement}
+              </div>
+            </div>
+            {recommendedWeapon.overallPercent || recommendedWeapon.personalPercent ? (
+              <div
+                style={{
+                  display: "flex",
+                  flex: 1,
+                  alignItems: "center",
+                  justifyContent: "space-around",
+                  color: "#17171c",
+                  padding: "6px",
+                }}
+              >
+                {recommendedWeapon.overallPercent ? (
+                  <div style={{ display: "flex", flexDirection: "column", alignItems: "center" }}>
+                    <div style={{ display: "flex", fontSize: 19 }}>{metric(recommendedWeapon.overallPercent)}</div>
+                    <div style={{ display: "flex", fontSize: 9 }}>ทั้งทีม</div>
+                  </div>
+                ) : null}
+                {recommendedWeapon.personalPercent ? (
+                  <div style={{ display: "flex", flexDirection: "column", alignItems: "center" }}>
+                    <div style={{ display: "flex", fontSize: 19 }}>{metric(recommendedWeapon.personalPercent)}</div>
+                    <div style={{ display: "flex", fontSize: 9 }}>ส่วนตัว</div>
+                  </div>
+                ) : null}
+              </div>
+            ) : null}
+          </div>
+        ) : null}
+        {recommendedArtifact ? (
+          <div
+            style={{
+              display: "flex",
+              width: "500px",
+              height: "72px",
+              marginTop: recommendedWeapon ? "10px" : "14px",
+              alignItems: "center",
+              gap: "12px",
+              overflow: "hidden",
+              border: "1px solid #ffffff1f",
+              borderRadius: "12px",
+              background: "#34343d",
+              padding: "6px 12px",
+            }}
+          >
+            <div style={{ display: "flex", width: recommendedArtifact.second ? "94px" : "60px" }}>
+              {firstArtifactArtSrc ? (
+                <div style={{ display: "flex", width: "60px", height: "60px", overflow: "hidden", border: "1px solid #ffffff2a", borderRadius: "10px", background: rarityGradient(recommendedArtifact.first.rarity) }}>
+                  <img src={firstArtifactArtSrc} alt="" width={60} height={60} style={{ objectFit: "contain" }} />
+                </div>
+              ) : null}
+              {recommendedArtifact.second && secondArtifactArtSrc ? (
+                <div style={{ display: "flex", width: "60px", height: "60px", overflow: "hidden", marginLeft: "-24px", border: "1px solid #ffffff2a", borderRadius: "10px", background: rarityGradient(recommendedArtifact.second.rarity) }}>
+                  <img src={secondArtifactArtSrc} alt="" width={60} height={60} style={{ objectFit: "contain" }} />
+                </div>
+              ) : null}
+            </div>
+            <div style={{ display: "flex", flex: 1, fontSize: 18 }}>
+              {artifactTierCount(recommendedArtifact.second?.name ?? null)} {shorten(recommendedArtifact.first.name, recommendedArtifact.second ? 12 : 21)}
+              {recommendedArtifact.second ? ` + ${shorten(recommendedArtifact.second.name, 12)}` : ""}
+            </div>
+            <div style={{ display: "flex", color: "#f0b72f", fontSize: 22 }}>
+              {metric(recommendedArtifact.percent)}
+            </div>
+          </div>
+        ) : null}
       </div>
     </div>,
     {
       ...ogImageSize,
-      fonts: [{ name: "Kanit", data: kanit, style: "normal", weight: 600 }],
+      fonts: [
+        { name: "Kanit", data: kanit, style: "normal", weight: 600 },
+        ...(characterFont
+          ? [{ name: "Genshin", data: characterFont, style: "normal" as const, weight: 400 as const }]
+          : []),
+      ],
     },
   );
 }