package signup

import (
	"database/sql"
	_ "github.com/mattn/go-sqlite3"
	"time"
)

type AdminNote struct {
	ID    int64
	Admin string
	Note  string
	When  time.Time
}

type SignupDecision string
type UserState string

const (
	SignupAccepted = "accepted"
	SignupRejected = "rejected"
	StateActive    = "active"
	StateTempBan   = "temp_banned"
	StateBan       = "banned"
)

type TownSignup struct {
	ID       int64
	Created  time.Time
	Email    string
	How      string
	Why      string
	Links    string
	Extra    string
	Notes    []AdminNote
	Decision SignupDecision
}

type TownAccount struct {
	ID       int
	Emails   []string
	Username string
	Signup   int
	Notes    []AdminNote
	State    UserState
	Admin    bool
}

type DB struct {
	db *sql.DB
}

func NewDB() (*DB, error) {
	db, err := sql.Open("sqlite3", "/town/var/signups.db")
	if err != nil {
		return nil, err
	}

	return &DB{
		db: db,
	}, nil
}

func (d *DB) InsertSignup(su *TownSignup) error {
	stmt, err := d.db.Prepare(`
		INSERT INTO signups (created, email, how, why, links, extra) VALUES(
			?, ?, ?, ?, ?, ?
		) RETURNING id
	`)
	if err != nil {
		return err
	}

	result, err := stmt.Exec(su.Created.Unix(), su.Email, su.How, su.Why, su.Links, su.Extra)
	if err != nil {
		return err
	}

	liid, err := result.LastInsertId()
	if err != nil {
		return err
	}

	su.ID = liid

	return nil
}

func (d *DB) UpdateSignup(su *TownSignup) error {
	if su.ID < 0 {
		return nil
	}
	stmt, err := d.db.Prepare(`
		UPDATE signups (email, how, why, links, extra) VALUES(
			?, ?, ?, ?, ?
		) 
	`)
	if err != nil {
		return err
	}

	_, err = stmt.Exec(su.Email, su.How, su.Why, su.Links, su.Extra)
	if err != nil {
		return err
	}

	return nil
}