package main

import (
	"database/sql"
	"encoding/json"
	"log"
	"net/http"
	"os"
	"path/filepath"
	"shared"
	"strings"

	_ "modernc.org/sqlite"
)

func main() {
	_, PORT, dbdir := shared.GetArgs()
	db, _ := sql.Open("sqlite", filepath.Join(dbdir, "emails.db"))
	db.Exec(`CREATE TABLE IF NOT EXISTS emails (
		email TEXT,
		formname TEXT,
		created TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
		PRIMARY KEY (email, formname)
	)`)

	adminPassword := os.Getenv("ADMIN_PASSWORD")
	
	if adminPassword == "" {
		log.Fatal("ADMIN_PASSWORD environment variable required")
	}

	shared.StartAdminServer(dbdir)

	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
		if r.URL.Path == "/" {
			// Handle root GET request
			if r.Method != http.MethodGet {
				http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
				return
			}
			w.WriteHeader(http.StatusOK)
			w.Write([]byte("SQLite Write Server is running"))
			return
		}

		// Handle form submissions for other paths
		if r.Method != http.MethodPost {
			http.Error(w, "Method not allowed", http.StatusMethodNotAllowed)
			return
		}

		formname := strings.TrimPrefix(r.URL.Path, "/")
		if formname == "" {
			http.Error(w, "Form name required", http.StatusBadRequest)
			return
		}

		email := strings.TrimSpace(r.FormValue("email"))
		if email == "" {
			http.Error(w, "Email required", http.StatusBadRequest)
			return
		}

		_, err := db.Exec(`INSERT OR IGNORE INTO emails(email, formname) VALUES (?, ?)`, email, formname)

		w.Header().Set("Content-Type", "application/json")
		if err != nil {
			json.NewEncoder(w).Encode(map[string]string{"error": "storage failed"})
			return
		}
		json.NewEncoder(w).Encode(map[string]string{"message": "data received"})
	})

	log.Println("Starting server on port", PORT)
	log.Fatal(http.ListenAndServe(":"+PORT, nil))
}