package platform

import (
	"context"
	"crypto/sha256"
	"database/sql"
	"encoding/hex"
	"errors"

	"gitea.entroia.com/Zayden-Jung/foundry-core/internal/codex"
)

func (s *service) persistCanvasImage(ctx context.Context, tx *sql.Tx, run canvasQueueRun, outputID string, image *codex.CanvasImage) (response, error) {
	if image == nil || len(image.Data) == 0 || len(image.Data) > assetLimit {
		return nil, errors.New("invalid_image_output")
	}
	mime, width, height, err := inspectAsset(image.Data)
	if err != nil || mime != image.MIME {
		return nil, errors.New("invalid_image_output")
	}
	digest := sha256.Sum256(image.Data)
	var id string
	err = tx.QueryRowContext(ctx, `INSERT INTO canvas_assets(project,workspace_id,uploaded_by,mime_type,bytes,width,height,digest,idempotency_key) VALUES($1,$2,$3,$4,$5,$6,$7,$8,$9) RETURNING id::text`, run.Project, run.Workspace, run.Account, mime, image.Data, width, height, hex.EncodeToString(digest[:]), outputID).Scan(&id)
	if err != nil {
		return nil, err
	}
	// Conflict outputs remain readable under the run's originating material even
	// before explicit application. No transient or worker-local URL is persisted.
	_, err = tx.ExecContext(ctx, `INSERT INTO canvas_asset_bindings(project,workspace_id,asset_id,board_id) VALUES($1,$2,$3,$4)`, run.Project, run.Workspace, id, run.Board)
	if err != nil {
		return nil, err
	}
	return response{"output_id": outputID, "kind": "image", "assetId": id, "src": s.assetURL(run.Project, run.Workspace, id), "mime_type": mime, "bytes": len(image.Data), "width": width, "height": height}, nil
}
func canvasModelSupports(model codex.CanvasModel, modality string) bool {
	for _, value := range model.OutputModalities {
		if value == modality {
			return true
		}
	}
	return false
}

func canvasModelAccepts(model codex.CanvasModel, modality string) bool {
	for _, value := range model.InputModalities {
		if value == modality {
			return true
		}
	}
	return false
}