#!/bin/bash
# Daily Digest Generator - v4 (matches Feb 28 format)
# Each article: Title + Summary + [Read more](URL)

set -euo pipefail

BLOG_API_URL="https://blog.twisteddevices.com/api"
BLOG_MACHINE_TOKEN="21719c689a355e40b427a35c548b28699bd7c014aac4d23f5c1bbb122bbb9878"

DATE="${1:-$(date +%Y-%m-%d)}"

echo "=== Daily Digest Generator v4 ==="
echo "Date: $DATE"
echo ""

# Step 1: Check if digest already exists
echo "[1/5] Checking if digest exists for $DATE..."
ALL_MESSAGES=$(curl -s "${BLOG_API_URL}/messages?limit=100" \
    -H "x-api-key: ${BLOG_MACHINE_TOKEN}")

if echo "$ALL_MESSAGES" | jq -e --arg date "$DATE" '.[] | select(.date == $date)' >/dev/null 2>&1; then
    echo "Digest already exists for $DATE. Skipping."
    exit 0
fi
echo "No digest found. Proceeding..."

# Step 2: Research
echo "[2/5] Loading API key and researching..."
source ~/.openclaw/workspace/.env.tavily
export TAVILY_API_KEY

echo "  - iOS/Apple news..."
IOS_RAW=$(node ~/.agents/skills/tavily/scripts/search.mjs "Apple iOS AI development news" -n 5 --topic news 2>/dev/null || echo "")

echo "  - AI news..."
AI_RAW=$(node ~/.agents/skills/tavily/scripts/search.mjs "AI models news March 2026" -n 5 --topic news 2>/dev/null || echo "")

echo "  - Coding assistants..."
CODING_RAW=$(node ~/.agents/skills/tavily/scripts/search.mjs "AI coding assistants Claude Cursor news" -n 5 --topic news 2>/dev/null || echo "")

echo "  - OpenClaw/agents..."
AGENTS_RAW=$(node ~/.agents/skills/tavily/scripts/search.mjs "OpenClaw AI agents autonomous development" -n 5 --topic news 2>/dev/null || echo "")

echo "  - Entrepreneurship..."
ENTRE_RAW=$(node ~/.agents/skills/tavily/scripts/search.mjs "indie hackers SaaS app development" -n 5 --topic news 2>/dev/null || echo "")

# Step 3: Format content - matches Feb 28 format exactly
echo "[3/5] Formatting content..."

# Function to parse each article: **Title** + summary + [Read more](url)
format_articles() {
    local raw="$1"
    
    # Get the Sources section
    local sources=$(echo "$raw" | sed -n '/## Sources/,$p' | tail -n +2)
    
    if [[ -z "$sources" ]]; then
        echo "*No recent news found*"
        return
    fi
    
    # Split by source blocks using perl
    echo "$sources" | perl -00 -ne '
        my $block = $_;
        chomp $block;
        
        # Skip if empty
        return if $block !~ /\w/;
        
        # Extract title: **Title - Source** (relevance: XX%)
        my $title = "";
        if ($block =~ /\*\*([^-]+)/) {
            $title = $1;
            $title =~ s/^\s+|\s+$//g;
            $title =~ s/\s*\(relevance.*$//;
        }
        
        # Extract URL - first URL in block
        my $url = "";
        if ($block =~ /(https:\/\/[^\s\)\"]+)/) {
            $url = $1;
        }
        
        # Extract description - text between URL and end of block (or next -)
        my $desc = "";
        if ($url && $block =~ /\Q$url\E\s*\n\s*(#.+)/) {
            $desc = $1;
            $desc =~ s/^#\s+//;
            $desc =~ s/^\s+|\s+$//g;
            $desc =~ s/\s+/ /g;
            $desc =~ s/##.*$//;
            $desc = substr($desc, 0, 200);
            $desc =~ s/\s+\S*$//;
        }
        
        if ($title && $url) {
            print "**$title**\n\n";
            print "$desc\n\n" if $desc;
            print "[Read more]($url)\n\n---\n\n";
        }
    ' | head -50
}

IOS_CONTENT=$(format_articles "$IOS_RAW")
AI_CONTENT=$(format_articles "$AI_RAW")
CODING_CONTENT=$(format_articles "$CODING_RAW")
AGENTS_CONTENT=$(format_articles "$AGENTS_RAW")
ENTRE_CONTENT=$(format_articles "$ENTRE_RAW")

# Build content - match Feb 28 format exactly
DAY_NAME=$(date +%A)
MONTH_NAME=$(date +%B)
DAY_NUM=$(date +%-d)
YEAR=$(date +%Y)

CONTENT="# Daily Digest - $DAY_NAME, $MONTH_NAME $DAY_NUM, $YEAR

### 🍎 iOS AI Development News

$IOS_CONTENT

---

### 🤖 AI Coding Assistants

$CODING_CONTENT

---

### 🦞 OpenClaw & AI Agents

$AGENTS_CONTENT

---

### 🚀 Entrepreneurship

$ENTRE_CONTENT

---

*Generated by OpenClaw*"

# Step 4: Post to blog
echo "[4/5] Posting to blog..."
RESULT=$(curl -s -X POST "${BLOG_API_URL}/messages" \
    -H "x-api-key: ${BLOG_MACHINE_TOKEN}" \
    -H "Content-Type: application/json" \
    -d "{\"date\":\"$DATE\",\"content\":$(echo "$CONTENT" | jq -Rs .),\"tags\":[\"daily-digest\",\"iOS\",\"AI\",\"Apple\",\"OpenClaw\"]}" 2>&1)

if echo "$RESULT" | jq -e '.id' >/dev/null 2>&1; then
    ID=$(echo "$RESULT" | jq -r '.id')
    echo "[5/5] ✅ Success!"
    echo "Digest ID: $ID"
    exit 0
else
    echo "[5/5] ❌ Failed to post"
    echo "$RESULT"
    exit 1
fi