moodstone.gno

  1package moodstone
  2
  3import (
  4	"chain/runtime"
  5	"chain/runtime/unsafe"
  6	"strconv"
  7	"strings"
  8)
  9
 10// Entry holds a single mood log.
 11type Entry struct {
 12	Author address
 13	Mood   string
 14	Note   string
 15	Block  int64
 16}
 17
 18var entries []Entry
 19
 20var validMoods = []string{"happy", "sad", "excited", "calm", "anxious", "angry", "neutral"}
 21
 22func isValid(mood string) bool {
 23	for _, m := range validMoods {
 24		if m == mood {
 25			return true
 26		}
 27	}
 28	return false
 29}
 30
 31func emoji(mood string) string {
 32	switch mood {
 33	case "happy":
 34		return "😊"
 35	case "sad":
 36		return "😢"
 37	case "excited":
 38		return "🎉"
 39	case "calm":
 40		return "😌"
 41	case "anxious":
 42		return "😰"
 43	case "angry":
 44		return "😠"
 45	case "neutral":
 46		return "😐"
 47	}
 48	return "❓"
 49}
 50
 51func shortAddr(addr address) string {
 52	s := addr.String()
 53	if len(s) <= 12 {
 54		return s
 55	}
 56	return s[:6] + "…" + s[len(s)-4:]
 57}
 58
 59func bar(count, total int) string {
 60	if total == 0 {
 61		return strings.Repeat("░", 20)
 62	}
 63	filled := (count * 20) / total
 64	return strings.Repeat("▓", filled) + strings.Repeat("░", 20-filled)
 65}
 66
 67// LogMood records the caller's current mood with an optional note.
 68// mood must be one of: happy sad excited calm anxious angry neutral
 69func LogMood(_ realm, mood, note string) {
 70	mood = strings.ToLower(strings.TrimSpace(mood))
 71	if !isValid(mood) {
 72		panic("invalid mood; choose from: " + strings.Join(validMoods, ", "))
 73	}
 74	entries = append(entries, Entry{
 75		Author: unsafe.OriginCaller(),
 76		Mood:   mood,
 77		Note:   strings.TrimSpace(note),
 78		Block:  runtime.ChainHeight(),
 79	})
 80}
 81
 82// TotalEntries returns the total number of mood logs on record.
 83func TotalEntries() int {
 84	return len(entries)
 85}
 86
 87// MoodCount returns how many times the given mood has been logged.
 88func MoodCount(mood string) int {
 89	mood = strings.ToLower(strings.TrimSpace(mood))
 90	n := 0
 91	for _, e := range entries {
 92		if e.Mood == mood {
 93			n++
 94		}
 95	}
 96	return n
 97}
 98
 99// DominantMood returns the most-logged mood, or "none" if no entries.
100func DominantMood() string {
101	if len(entries) == 0 {
102		return "none"
103	}
104	counts := make(map[string]int)
105	for _, e := range entries {
106		counts[e.Mood]++
107	}
108	best := ""
109	bestN := 0
110	for _, m := range validMoods {
111		if counts[m] > bestN {
112			bestN = counts[m]
113			best = m
114		}
115	}
116	return best
117}
118
119func Render(path string) string {
120	out := "# 🪨 Moodstone — On-chain Mood Tracker\n\n"
121	out += "> Log how you feel. Watch how the community feels. Immutably, on Gno.\n\n"
122
123	total := len(entries)
124
125	// Community stats table
126	out += "## 📊 Community Vibes\n\n"
127	if total == 0 {
128		out += "*No moods logged yet — be the first!*\n\n"
129	} else {
130		counts := make(map[string]int)
131		for _, e := range entries {
132			counts[e.Mood]++
133		}
134		out += "| Mood | Count | Distribution |\n"
135		out += "|------|-------|--------------|\n"
136		for _, m := range validMoods {
137			c := counts[m]
138			pct := 0
139			if total > 0 {
140				pct = (c * 100) / total
141			}
142			out += "| " + emoji(m) + " " + m + " | " + strconv.Itoa(c) +
143				" | `" + bar(c, total) + "` " + strconv.Itoa(pct) + "% |\n"
144		}
145		dom := DominantMood()
146		out += "\n**Total entries:** " + strconv.Itoa(total) +
147			" · **Dominant mood:** " + emoji(dom) + " " + dom + "\n\n"
148	}
149
150	// Recent entries (newest first, max 10)
151	out += "## 📝 Recent Entries\n\n"
152	if total == 0 {
153		out += "*Nothing here yet.*\n\n"
154	} else {
155		start := total - 10
156		if start < 0 {
157			start = 0
158		}
159		for i := total - 1; i >= start; i-- {
160			e := entries[i]
161			line := "- " + emoji(e.Mood) + " **" + e.Mood + "**"
162			if e.Note != "" {
163				line += ": *" + e.Note + "*"
164			}
165			line += " — `" + shortAddr(e.Author) + "` at block " +
166				strconv.FormatInt(e.Block, 10)
167			out += line + "\n"
168		}
169		out += "\n"
170	}
171
172	// How to use
173	out += "## 🚀 How to Use\n\n"
174	out += "```bash\n"
175	out += "gnokey maketx call \\\n"
176	out += "  -pkgpath gno.land/r/g12cs4cehujpffpjpywmkqj43m6u5ya53nj69sjz/moodstone \\\n"
177	out += "  -func LogMood \\\n"
178	out += "  -args 'happy' -args 'Just shipped something awesome!'\n"
179	out += "```\n\n"
180	out += "**Valid moods:** " + strings.Join(validMoods, " · ") + "\n"
181
182	return out
183}