#!/bin/sh
set -e

# Generate config.yaml from environment variables
mkdir -p /app/config

cat > /app/config/config.yaml << 'YAMLEOF'
server:
  port: 8080
  webhook_secret: "${GITEA_WEBHOOK_SECRET}"

identity:
  provider: gitea
  cache_ttl: 24h
  gitea:
    url: "${GITEA_URL}"
    token: "${GITEA_API_TOKEN}"

notification:
  provider: slack
  slack:
    bot_token: "${SLACK_BOT_TOKEN}"

database:
  driver: sqlite
  dsn: "./data/notifications.db"

rules:
  pr:
    notify_owner: true
    notify_reviewers: true
    notify_assignees: true
  issue:
    notify_assignees: true
  comment:
    notify_mentioned: true
    notify_thread_owner: true
    notify_reviewers: true
YAMLEOF

# Seed manual user mappings from MANUAL_USER_MAPPINGS env var (JSON: {"gitea_username":"slack_id",...})
# These bypass the Gitea API email lookup + Slack email lookup

if [ -n "$MANUAL_USER_MAPPINGS" ]; then
    # Create table and indexes using single-line calls to avoid sh issues with multi-line SQL
    sqlite3 /app/data/notifications.db "CREATE TABLE IF NOT EXISTS users (id INTEGER PRIMARY KEY AUTOINCREMENT, gitea_username TEXT UNIQUE, gitea_id INTEGER, email TEXT UNIQUE, full_name TEXT, slack_id TEXT, slack_name TEXT, created_at DATETIME DEFAULT CURRENT_TIMESTAMP, updated_at DATETIME DEFAULT CURRENT_TIMESTAMP);" 2>/dev/null || true
    sqlite3 /app/data/notifications.db "CREATE INDEX IF NOT EXISTS idx_users_email ON users(email);" 2>/dev/null || true
    sqlite3 /app/data/notifications.db "CREATE INDEX IF NOT EXISTS idx_users_gitea_username ON users(gitea_username);" 2>/dev/null || true
    sqlite3 /app/data/notifications.db "CREATE INDEX IF NOT EXISTS idx_users_slack_id ON users(slack_id);" 2>/dev/null || true

    echo "$MANUAL_USER_MAPPINGS" | jq -r 'to_entries[] | "\(.key) \(.value)"' 2>/dev/null | \
    while read -r gitea_user slack_id; do
        [ -z "$gitea_user" ] && continue
        sqlite3 /app/data/notifications.db \
            "INSERT OR REPLACE INTO users(gitea_username, slack_id, slack_name, updated_at) VALUES('$gitea_user','$slack_id','$gitea_user',datetime('now'));" \
            2>/dev/null || true
    done
fi

exec ./gitea-notification-hub -config /app/config/config.yaml