feat: 开发完成拼音每日一练

miniprogram/pinyinPages/shared/pinyinDailyGenerator.ts

@@ -0,0 +1,80 @@
+import { PINYIN_DAILY_GROUPS, type PinyinDailyTask } from './pinyinDailyData';
+import { TRACING_COLORS } from '../../core/data/tracingStyles';
+
+export interface PinyinDailyCell {
+    char: string;
+    style: 'solid' | 'dashed';
+    color: string;
+    alpha: number;
+}
+
+export interface PinyinDailyRow {
+    cells: (PinyinDailyCell | null)[];
+}
+
+export interface PinyinDailySection {
+    task: PinyinDailyTask;
+    rows: PinyinDailyRow[];
+    cols: number;
+}
+
+export interface PinyinDailyData {
+    dayIndex: number;
+    sections: PinyinDailySection[];
+}
+
+const COLOR_BLACK = TRACING_COLORS.strong;
+const COLOR_LIGHT_RED = TRACING_COLORS.guide;
+
+function buildRows(task: PinyinDailyTask, cols: number): PinyinDailyRow[] {
+    const rows: PinyinDailyRow[] = [];
+    const char = task.char;
+
+    // 每日打卡固定 7 行
+    for (let r = 0; r < 7; r++) {
+        const cells: (PinyinDailyCell | null)[] = [];
+        let style: 'solid' | 'dashed' = 'solid';
+        let alpha = 1;
+
+        // 样式：
+        // 0-1行：实线描红 (第0行第0个黑色，其余浅红)
+        // 2, 4, 6行：留空（null）
+        // 3, 5行：虚线描红
+
+        if (r === 2 || r === 4 || r === 6) {
+            for (let c = 0; c < cols; c++) cells.push(null);
+        } else {
+            if (r >= 3) {
+                style = 'dashed';
+                alpha = 0.5;
+            }
+
+            for (let c = 0; c < cols; c++) {
+                const color =
+                    r === 0 && c === 0 ? COLOR_BLACK : COLOR_LIGHT_RED;
+                cells.push({ char, style, color, alpha });
+            }
+        }
+
+        rows.push({ cells });
+    }
+
+    return rows;
+}
+
+export function generatePinyinDaily(dayIndex: number): PinyinDailyData {
+    const group = PINYIN_DAILY_GROUPS[dayIndex] || PINYIN_DAILY_GROUPS[0];
+    const sections: PinyinDailySection[] = group.map((task) => {
+        const cols = task.char.length <= 2 ? 5 : 4;
+        return {
+            task,
+            rows: buildRows(task, cols),
+            cols,
+        };
+    });
+
+    return {
+        dayIndex: dayIndex + 1,
+        sections,
+    };
+}