//go:build mysql
// +build mysql

package mysql

import (
	"encoding/json"
	"time"

	"github.com/jmoiron/sqlx"
	t "github.com/tinode/chat/server/store/types"
)

func (a *adapter) PublicUploadCreate(upload *t.PublicUpload) (*t.PublicUpload, error) {
	db := a.controlDB()
	if db == nil {
		return nil, t.ErrInternal
	}
	now := t.TimeNow()
	if upload.CreatedAt.IsZero() {
		upload.CreatedAt = now
	}
	if upload.UploadedAt.IsZero() {
		upload.UploadedAt = now
	}
	ctx, cancel := a.getContext()
	if cancel != nil {
		defer cancel()
	}
	_, err := db.ExecContext(ctx, `INSERT INTO im_public_uploads
		(file_id,purpose,mime_type,size,etag,location,expires_at,created_at,uploaded_at)
		VALUES(?,?,?,?,?,?,?,?,?)`,
		upload.FileID, upload.Purpose, upload.MimeType, upload.Size, upload.ETag, upload.Location,
		nullableTenantEntryTime(upload.ExpiresAt), upload.CreatedAt, upload.UploadedAt)
	if err != nil {
		return nil, err
	}
	return upload, nil
}

func (a *adapter) TenantApplicationCreate(application *t.TenantApplication) (*t.TenantApplication, error) {
	db := a.controlDB()
	if db == nil {
		return nil, t.ErrInternal
	}
	now := t.TimeNow()
	if application.Status == "" {
		application.Status = t.TenantApplicationStatusReceived
	}
	if application.EstimatedReviewHour <= 0 {
		application.EstimatedReviewHour = 24
	}
	if application.SubmittedAt.IsZero() {
		application.SubmittedAt = now
	}
	application.CreatedAt = now
	application.UpdatedAt = now
	clientContext, _ := json.Marshal(application.ClientContext)
	ctx, cancel := a.getContext()
	if cancel != nil {
		defer cancel()
	}
	_, err := db.ExecContext(ctx, `INSERT INTO im_tenant_applications
		(application_id,credit_code,enterprise_email,license_file_id,tenant_code_hint,client_context,idempotency_key,status,estimated_review_hour,submitted_at,created_at,updated_at)
		VALUES(?,?,?,?,?,?,?,?,?,?,?,?)`,
		application.ApplicationID, application.CreditCode, application.EnterpriseEmail, application.LicenseFileID,
		application.TenantCodeHint, string(clientContext), application.IdempotencyKey, application.Status,
		application.EstimatedReviewHour, application.SubmittedAt, now, now)
	if err != nil {
		return a.tenantApplicationByIdempotency(application.IdempotencyKey)
	}
	return a.tenantApplicationByIdempotency(application.IdempotencyKey)
}

func (a *adapter) TenantEntryFeedbackCreate(feedback *t.TenantEntryFeedback) (*t.TenantEntryFeedback, error) {
	db := a.controlDB()
	if db == nil {
		return nil, t.ErrInternal
	}
	now := t.TimeNow()
	if feedback.Status == "" {
		feedback.Status = t.TenantEntryFeedbackReceived
	}
	if feedback.SubmittedAt.IsZero() {
		feedback.SubmittedAt = now
	}
	feedback.CreatedAt = now
	feedback.UpdatedAt = now
	screenshots, _ := json.Marshal(feedback.ScreenshotFileIDs)
	clientContext, _ := json.Marshal(feedback.ClientContext)
	ctx, cancel := a.getContext()
	if cancel != nil {
		defer cancel()
	}
	_, err := db.ExecContext(ctx, `INSERT INTO im_tenant_entry_feedbacks
		(feedback_id,description,contact,tenant_code_hint,screenshot_file_ids,client_context,idempotency_key,status,submitted_at,created_at,updated_at)
		VALUES(?,?,?,?,?,?,?,?,?,?,?)`,
		feedback.FeedbackID, feedback.Description, feedback.Contact, feedback.TenantCodeHint,
		string(screenshots), string(clientContext), feedback.IdempotencyKey, feedback.Status,
		feedback.SubmittedAt, now, now)
	if err != nil {
		return a.tenantEntryFeedbackByIdempotency(feedback.IdempotencyKey)
	}
	return a.tenantEntryFeedbackByIdempotency(feedback.IdempotencyKey)
}

func (a *adapter) tenantApplicationByIdempotency(idempotencyKey string) (*t.TenantApplication, error) {
	db := a.controlDB()
	ctx, cancel := a.getContext()
	if cancel != nil {
		defer cancel()
	}
	row := struct {
		ApplicationID       string    `db:"application_id"`
		CreditCode          string    `db:"credit_code"`
		EnterpriseEmail     string    `db:"enterprise_email"`
		LicenseFileID       string    `db:"license_file_id"`
		TenantCodeHint      string    `db:"tenant_code_hint"`
		ClientContext       []byte    `db:"client_context"`
		IdempotencyKey      string    `db:"idempotency_key"`
		Status              string    `db:"status"`
		EstimatedReviewHour int       `db:"estimated_review_hour"`
		SubmittedAt         time.Time `db:"submitted_at"`
		CreatedAt           time.Time `db:"created_at"`
		UpdatedAt           time.Time `db:"updated_at"`
	}{}
	if err := db.GetContext(ctx, &row, `SELECT application_id,credit_code,enterprise_email,license_file_id,
		tenant_code_hint,client_context,idempotency_key,status,estimated_review_hour,submitted_at,created_at,updated_at
		FROM im_tenant_applications WHERE idempotency_key=?`, idempotencyKey); err != nil {
		return nil, err
	}
	app := &t.TenantApplication{
		ApplicationID:       row.ApplicationID,
		CreditCode:          row.CreditCode,
		EnterpriseEmail:     row.EnterpriseEmail,
		LicenseFileID:       row.LicenseFileID,
		TenantCodeHint:      row.TenantCodeHint,
		IdempotencyKey:      row.IdempotencyKey,
		Status:              row.Status,
		EstimatedReviewHour: row.EstimatedReviewHour,
		SubmittedAt:         row.SubmittedAt,
		CreatedAt:           row.CreatedAt,
		UpdatedAt:           row.UpdatedAt,
	}
	_ = json.Unmarshal(row.ClientContext, &app.ClientContext)
	return app, nil
}

func (a *adapter) tenantEntryFeedbackByIdempotency(idempotencyKey string) (*t.TenantEntryFeedback, error) {
	db := a.controlDB()
	ctx, cancel := a.getContext()
	if cancel != nil {
		defer cancel()
	}
	row := struct {
		FeedbackID        string    `db:"feedback_id"`
		Description       string    `db:"description"`
		Contact           string    `db:"contact"`
		TenantCodeHint    string    `db:"tenant_code_hint"`
		ScreenshotFileIDs []byte    `db:"screenshot_file_ids"`
		ClientContext     []byte    `db:"client_context"`
		IdempotencyKey    string    `db:"idempotency_key"`
		Status            string    `db:"status"`
		SubmittedAt       time.Time `db:"submitted_at"`
		CreatedAt         time.Time `db:"created_at"`
		UpdatedAt         time.Time `db:"updated_at"`
	}{}
	if err := db.GetContext(ctx, &row, `SELECT feedback_id,description,contact,tenant_code_hint,
		screenshot_file_ids,client_context,idempotency_key,status,submitted_at,created_at,updated_at
		FROM im_tenant_entry_feedbacks WHERE idempotency_key=?`, idempotencyKey); err != nil {
		return nil, err
	}
	feedback := &t.TenantEntryFeedback{
		FeedbackID:     row.FeedbackID,
		Description:    row.Description,
		Contact:        row.Contact,
		TenantCodeHint: row.TenantCodeHint,
		IdempotencyKey: row.IdempotencyKey,
		Status:         row.Status,
		SubmittedAt:    row.SubmittedAt,
		CreatedAt:      row.CreatedAt,
		UpdatedAt:      row.UpdatedAt,
	}
	_ = json.Unmarshal(row.ScreenshotFileIDs, &feedback.ScreenshotFileIDs)
	_ = json.Unmarshal(row.ClientContext, &feedback.ClientContext)
	return feedback, nil
}

func (a *adapter) controlDB() *sqlx.DB {
	if a.registryDB != nil {
		return a.registryDB
	}
	return a.db
}

func nullableTenantEntryTime(value time.Time) any {
	if value.IsZero() {
		return nil
	}
	return value
}