118 lines
3.6 KiB
Go
118 lines
3.6 KiB
Go
package combatturns
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import (
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"embed"
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"fmt"
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"strings"
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"gitea.maximumdirect.net/eric/notarius/internal/framework/contracts"
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"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd"
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"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/candidatejson"
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"gitea.maximumdirect.net/eric/notarius/internal/modules/dnd/codec/sourcerange"
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)
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const (
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SchemaID = "notarius.dnd.combat_turns"
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SchemaName = "notarius_dnd_combat_turns_v1"
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SchemaVersion = "v1"
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MediaType = "application/json"
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)
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//go:embed assets/schemas/dnd_combat_turns.v1.json
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var schemaAssets embed.FS
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var _ contracts.ArtifactCodec[dnd.CombatTurnList] = (*Codec)(nil)
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var _ contracts.CandidateArtifactCodec[dnd.CombatTurnList] = (*Codec)(nil)
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type Codec struct{}
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func New() *Codec { return &Codec{} }
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func (c *Codec) Kind() contracts.ArtifactKind { return dnd.CombatTurnListKind }
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func (c *Codec) Schema() contracts.ArtifactSchema {
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raw, err := schemaAssets.ReadFile("assets/schemas/dnd_combat_turns.v1.json")
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if err != nil {
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return contracts.ArtifactSchema{}
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}
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return contracts.ArtifactSchema{
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ID: SchemaID,
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Name: SchemaName,
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Version: SchemaVersion,
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JSONSchema: append([]byte(nil), raw...),
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}
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}
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func (c *Codec) MediaType() string { return MediaType }
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func (c *Codec) Metadata(value dnd.CombatTurnList) map[string]any {
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return map[string]any{"combat_turn_count": len(value.CombatTurns)}
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}
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func (c *Codec) Encode(value dnd.CombatTurnList) ([]byte, error) {
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if err := validate(value); err != nil {
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return nil, fmt.Errorf("encode dnd combat turn list: %w", err)
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}
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return c.EncodeCandidate(value)
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}
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// EncodeCandidate provides the durable representation before typed validators
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// have approved a value.
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func (c *Codec) EncodeCandidate(value dnd.CombatTurnList) ([]byte, error) {
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return candidatejson.EncodeCandidate("dnd combat turn list", value)
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}
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func (c *Codec) Decode(content []byte) (dnd.CombatTurnList, error) {
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value, err := c.DecodeCandidate(content)
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if err != nil {
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return dnd.CombatTurnList{}, err
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}
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if err := validate(value); err != nil {
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return dnd.CombatTurnList{}, fmt.Errorf("decode dnd combat turn list: %w", err)
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}
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return value, nil
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}
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// DecodeCandidate reads one strict durable JSON value before semantic
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// validators have approved it.
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func (c *Codec) DecodeCandidate(content []byte) (dnd.CombatTurnList, error) {
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return candidatejson.DecodeCandidate[dnd.CombatTurnList]("dnd combat turn list", content)
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}
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func validate(value dnd.CombatTurnList) error {
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if value.CombatTurns == nil {
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return fmt.Errorf("combat_turns must be present")
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}
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for index, turn := range value.CombatTurns {
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prefix := fmt.Sprintf("combat_turns[%d]", index)
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if strings.TrimSpace(turn.Actor) == "" {
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return fmt.Errorf("%s.actor must not be empty", prefix)
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}
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if !validTurnKind(turn.TurnKind) {
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return fmt.Errorf("%s.turn_kind must be supported", prefix)
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}
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if len(turn.SourceRefs) == 0 {
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return fmt.Errorf("%s.source_refs must contain at least one reference", prefix)
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}
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for refIndex, ref := range turn.SourceRefs {
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refPrefix := fmt.Sprintf("%s.source_refs[%d]", prefix, refIndex)
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if strings.TrimSpace(ref.SourceID) == "" {
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return fmt.Errorf("%s.source_id must not be empty", refPrefix)
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}
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if err := sourcerange.Validate(ref); err != nil {
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return fmt.Errorf("%s: %w", refPrefix, err)
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}
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}
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}
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return nil
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}
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func validTurnKind(value dnd.CombatTurnKind) bool {
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switch value {
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case dnd.CombatTurnKindTurn, dnd.CombatTurnKindReaction, dnd.CombatTurnKindLegendaryAction, dnd.CombatTurnKindLairAction, dnd.CombatTurnKindOther:
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return true
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default:
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return false
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}
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}
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