package database

import (
	"context"

	"certmanager/internal/descriptor"
	"certmanager/pkg/auxid"

	_ "github.com/mattn/go-sqlite3"
)

func (db *Database) InsertIssuer(ctx context.Context, issuer *descriptor.Issuer) (int64, error) {
	var err error
	var res int64
	issuer.ID = auxid.GenID()
	request := `INSERT INTO issuer(id, name, cert, key, revoked)
                        VALUES ($1, $2, $3, $4, $5)`
	_, err = db.db.Exec(request, issuer.ID, issuer.Name, issuer.Cert, issuer.Key, issuer.Revoked)
	if err != nil {
		return res, err
	}
	res = issuer.ID
	return res, err
}

func (db *Database) UpdateIssuerByID(ctx context.Context, issuerID int64, issuer *descriptor.Issuer) error {
	var err error
	request := `UPDATE issuer SET revoked = $1 WHERE id = $2`
	_, err = db.db.Exec(request, issuer.Revoked, issuerID)
	if err != nil {
		return err
	}
	return err
}

func (db *Database) ListIssuers(ctx context.Context) ([]descriptor.Issuer, error) {
	var err error
	request := `SELECT id, name, revoked FROM issuer`
	res := make([]descriptor.Issuer, 0)
	err = db.db.Select(&res, request)
	if err != nil {
		return res, err
	}
	return res, err
}

func (db *Database) GetIssuerByID(ctx context.Context, issuerID int64) (bool, *descriptor.Issuer, error) {
	var err error
	var res *descriptor.Issuer
	var exists bool
	request := `SELECT id, name, cert, key, revoked FROM issuer WHERE id = $1 LiMIT 1`
	dbRes := make([]descriptor.Issuer, 0)
	err = db.db.Select(&dbRes, request, issuerID)
	if err != nil {
		return exists, res, err
	}
	if len(dbRes) == 0 {
		return exists, res, err
	}
	exists = true
	res = &dbRes[0]
	return exists, res, err
}

func (db *Database) GetIssuerByName(ctx context.Context, issuerName string) (bool, *descriptor.Issuer, error) {
	var err error
	var res *descriptor.Issuer
	var exists bool
	request := `SELECT id, name, cert, key, revoked FROM issuer WHERE name = $1 LIMIT 1`
	dbRes := make([]descriptor.Issuer, 0)
	err = db.db.Select(&dbRes, request, issuerName)
	if err != nil {
		return exists, res, err
	}
	if len(dbRes) == 0 {
		return exists, res, err
	}
	exists = true
	res = &dbRes[0]
	return exists, res, err
}

func (db *Database) DeleteIssuerByID(ctx context.Context, issuerID int64) error {
	var err error
	request := `DELETE FROM issuer WHERE id = $1`
	_, err = db.db.Exec(request, issuerID)
	if err != nil {
		return err
	}
	return err
}

func (db *Database) DeleteIssuerByName(ctx context.Context, issuerName string) error {
	var err error
	request := `DELETE FROM issuer WHERE name = $1`
	_, err = db.db.Exec(request, issuerName)
	if err != nil {
		return err
	}
	return err
}