package model

import (
	"context"
	"database/sql"
	"fmt"
	"strings"
	"time"

	"github.com/zeromicro/go-zero/core/stores/builder"
	"github.com/zeromicro/go-zero/core/stores/cache"
	"github.com/zeromicro/go-zero/core/stores/sqlc"
	"github.com/zeromicro/go-zero/core/stores/sqlx"
	"github.com/zeromicro/go-zero/core/stringx"
)

var (
	purSupplierFieldNames          = builder.RawFieldNames(&PurSupplier{})
	purSupplierRows                = strings.Join(purSupplierFieldNames, ",")
	purSupplierRowsExpectAutoSet   = strings.Join(stringx.Remove(purSupplierFieldNames, "`id`", "`create_at`", "`create_time`", "`created_at`", "`update_at`", "`update_time`", "`updated_at`"), ",")
	purSupplierRowsWithPlaceHolder = strings.Join(stringx.Remove(purSupplierFieldNames, "`id`", "`create_at`", "`create_time`", "`created_at`", "`update_at`", "`update_time`", "`updated_at`"), "=?,") + "=?"

	cachePurSupplierIdPrefix           = "cache:purSupplier:id:"
	cachePurSupplierSupplierIdPrefix   = "cache:purSupplier:supplierId:"
)

type (
	purSupplierModel interface {
		Insert(ctx context.Context, data *PurSupplier) (sql.Result, error)
		FindOne(ctx context.Context, id int64) (*PurSupplier, error)
		FindOneBySupplierId(ctx context.Context, supplierId string) (*PurSupplier, error)
		Update(ctx context.Context, data *PurSupplier) error
		Delete(ctx context.Context, id int64) error
	}

	defaultPurSupplierModel struct {
		sqlc.CachedConn
		table string
	}

	PurSupplier struct {
		Id             int64          `db:"id"`
		SupplierId     string         `db:"supplier_id"`
		TenantId       string         `db:"tenant_id"`
		SupplierName   string         `db:"supplier_name"`
		Phone          string         `db:"phone"`
		PurchaseCount  int64          `db:"purchase_count"`
		DeliveredQty   float64        `db:"delivered_qty"`
		PayableAmount  float64        `db:"payable_amount"`
		PaidAmount     float64        `db:"paid_amount"`
		Status         int64          `db:"status"`
		Remark         sql.NullString `db:"remark"`
		CreatedAt      time.Time      `db:"created_at"`
		UpdatedAt      time.Time      `db:"updated_at"`
	}
)

func newPurSupplierModel(conn sqlx.SqlConn, c cache.CacheConf, opts ...cache.Option) *defaultPurSupplierModel {
	return &defaultPurSupplierModel{
		CachedConn: sqlc.NewConn(conn, c, opts...),
		table:      "`pur_supplier`",
	}
}

func (m *defaultPurSupplierModel) Delete(ctx context.Context, id int64) error {
	data, err := m.FindOne(ctx, id)
	if err != nil {
		return err
	}
	purSupplierIdKey := fmt.Sprintf("%s%v", cachePurSupplierIdPrefix, id)
	purSupplierSupplierIdKey := fmt.Sprintf("%s%v", cachePurSupplierSupplierIdPrefix, data.SupplierId)
	_, err = m.ExecCtx(ctx, func(ctx context.Context, conn sqlx.SqlConn) (result sql.Result, err error) {
		query := fmt.Sprintf("delete from %s where `id` = ?", m.table)
		return conn.ExecCtx(ctx, query, id)
	}, purSupplierIdKey, purSupplierSupplierIdKey)
	return err
}

func (m *defaultPurSupplierModel) FindOne(ctx context.Context, id int64) (*PurSupplier, error) {
	purSupplierIdKey := fmt.Sprintf("%s%v", cachePurSupplierIdPrefix, id)
	var resp PurSupplier
	err := m.QueryRowCtx(ctx, &resp, purSupplierIdKey, func(ctx context.Context, conn sqlx.SqlConn, v any) error {
		query := fmt.Sprintf("select %s from %s where `id` = ? limit 1", purSupplierRows, m.table)
		return conn.QueryRowCtx(ctx, v, query, id)
	})
	switch err {
	case nil:
		return &resp, nil
	case sqlc.ErrNotFound:
		return nil, ErrNotFound
	default:
		return nil, err
	}
}

func (m *defaultPurSupplierModel) FindOneBySupplierId(ctx context.Context, supplierId string) (*PurSupplier, error) {
	purSupplierSupplierIdKey := fmt.Sprintf("%s%v", cachePurSupplierSupplierIdPrefix, supplierId)
	var resp PurSupplier
	err := m.QueryRowIndexCtx(ctx, &resp, purSupplierSupplierIdKey, m.formatPrimary, func(ctx context.Context, conn sqlx.SqlConn, v any) (i any, e error) {
		query := fmt.Sprintf("select %s from %s where `supplier_id` = ? limit 1", purSupplierRows, m.table)
		if err := conn.QueryRowCtx(ctx, &resp, query, supplierId); err != nil {
			return nil, err
		}
		return resp.Id, nil
	}, m.queryPrimary)
	switch err {
	case nil:
		return &resp, nil
	case sqlc.ErrNotFound:
		return nil, ErrNotFound
	default:
		return nil, err
	}
}

func (m *defaultPurSupplierModel) Insert(ctx context.Context, data *PurSupplier) (sql.Result, error) {
	purSupplierIdKey := fmt.Sprintf("%s%v", cachePurSupplierIdPrefix, data.Id)
	purSupplierSupplierIdKey := fmt.Sprintf("%s%v", cachePurSupplierSupplierIdPrefix, data.SupplierId)
	ret, err := m.ExecCtx(ctx, func(ctx context.Context, conn sqlx.SqlConn) (result sql.Result, err error) {
		query := fmt.Sprintf("insert into %s (%s) values (?, ?, ?, ?, ?, ?, ?, ?, ?, ?)", m.table, purSupplierRowsExpectAutoSet)
		return conn.ExecCtx(ctx, query, data.SupplierId, data.TenantId, data.SupplierName, data.Phone, data.PurchaseCount, data.DeliveredQty, data.PayableAmount, data.PaidAmount, data.Status, data.Remark)
	}, purSupplierIdKey, purSupplierSupplierIdKey)
	return ret, err
}

func (m *defaultPurSupplierModel) Update(ctx context.Context, newData *PurSupplier) error {
	data, err := m.FindOne(ctx, newData.Id)
	if err != nil {
		return err
	}
	purSupplierIdKey := fmt.Sprintf("%s%v", cachePurSupplierIdPrefix, data.Id)
	purSupplierSupplierIdKey := fmt.Sprintf("%s%v", cachePurSupplierSupplierIdPrefix, data.SupplierId)
	_, err = m.ExecCtx(ctx, func(ctx context.Context, conn sqlx.SqlConn) (result sql.Result, err error) {
		query := fmt.Sprintf("update %s set %s where `id` = ?", m.table, purSupplierRowsWithPlaceHolder)
		return conn.ExecCtx(ctx, query, newData.SupplierId, newData.TenantId, newData.SupplierName, newData.Phone, newData.PurchaseCount, newData.DeliveredQty, newData.PayableAmount, newData.PaidAmount, newData.Status, newData.Remark, newData.Id)
	}, purSupplierIdKey, purSupplierSupplierIdKey)
	return err
}

func (m *defaultPurSupplierModel) formatPrimary(primary any) string {
	return fmt.Sprintf("%s%v", cachePurSupplierIdPrefix, primary)
}

func (m *defaultPurSupplierModel) queryPrimary(ctx context.Context, conn sqlx.SqlConn, v, primary any) error {
	query := fmt.Sprintf("select %s from %s where `id` = ? limit 1", purSupplierRows, m.table)
	return conn.QueryRowCtx(ctx, v, query, primary)
}

func (m *defaultPurSupplierModel) tableName() string {
	return m.table
}