#!/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
    # Ensure users table exists (handles first-run before app migrations)
    # Must match the full schema from migrations/001_initial.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
        );
        CREATE INDEX IF NOT EXISTS idx_users_email ON users(email);
        CREATE INDEX IF NOT EXISTS idx_users_gitea_username 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