| 1 | package config |
| 2 | |
| 3 | import ( |
| 4 | "encoding/json" |
| 5 | "errors" |
| 6 | "fmt" |
| 7 | "maps" |
| 8 | "os" |
| 9 | "slices" |
| 10 | "strings" |
| 11 | |
| 12 | "reasonix/internal/provider" |
| 13 | ) |
| 14 | |
| 15 | // ErrMigratedModelUnavailable marks a saved selection whose migrated OpenCode |
| 16 | // Go connection no longer matches; a new explicit selection resolves it. |
| 17 | var ErrMigratedModelUnavailable = errors.New("MIGRATED_MODEL_UNAVAILABLE") |
| 18 | |
| 19 | func normalizeRuntimeConfigWithMigrationJournal(cfg *Config) error { |
| 20 | cfg.loadOpenCodeGoJournal(userConfigLoadPath()) |
| 21 | return normalizeLoadedConfig(cfg) |
| 22 | } |
| 23 | |
| 24 | func (c *Config) loadOpenCodeGoJournal(path string) { |
| 25 | if c == nil || path == "" { |
| 26 | return |
| 27 | } |
| 28 | resolved, exists, err := statConfigPath(path) |
| 29 | if err != nil || !exists { |
| 30 | return |
| 31 | } |
| 32 | raw, err := os.ReadFile(resolved) |
| 33 | if err != nil { |
| 34 | return |
| 35 | } |
| 36 | c.openCodeGoJournal = readOpenCodeGoJournal(resolved, raw) |
| 37 | } |
| 38 | |
| 39 | // Project files are never rewritten by startup. Resolve their legacy routes in |
| 40 | // memory, while version-10 global connections retain later manual API choices. |
| 41 | func normalizeOpenCodeGoRuntimeCompatibility(c *Config) { |
| 42 | if c == nil { |
| 43 | return |
| 44 | } |
| 45 | previous := c.openCodeGoJournal |
| 46 | j, _ := planOpenCodeGoUpgradeFiltered(c, func(p ProviderEntry) bool { |
| 47 | return c.ConfigVersion < openCodeGoUpgradeVersion || c.providerSources[providerMergeKey(p)] == providerSourceProject |
| 48 | }) |
| 49 | if previous != nil { |
| 50 | maps.Copy(j.Aliases, previous.Aliases) |
| 51 | maps.Copy(j.SearchAliases, previous.SearchAliases) |
| 52 | j.Connections = append(j.Connections, previous.Connections...) |
| 53 | j.Skipped = append(j.Skipped, previous.Skipped...) |
| 54 | } |
| 55 | if len(j.Aliases) > 0 || len(j.SearchAliases) > 0 || previous != nil { |
| 56 | c.openCodeGoJournal = &j |
| 57 | } |
| 58 | } |
| 59 | |
| 60 | func (c *Config) resolveOpenCodeGoAlias(ref string, search bool) (string, error) { |
| 61 | if c == nil || c.openCodeGoJournal == nil { |
| 62 | return ref, nil |
| 63 | } |
| 64 | aliases := c.openCodeGoJournal.Aliases |
| 65 | if search { |
| 66 | aliases = c.openCodeGoJournal.SearchAliases |
| 67 | } |
| 68 | alias, ok := aliases[strings.TrimSpace(ref)] |
| 69 | if !ok { |
| 70 | return ref, nil |
| 71 | } |
| 72 | name, model, ok := strings.Cut(alias.Target, "/") |
| 73 | p, found := c.Provider(name) |
| 74 | if !ok || !found || !p.HasModel(model) { |
| 75 | return "", fmt.Errorf("%w: %q moved to %q; restore that OpenCode Go connection in model settings", ErrMigratedModelUnavailable, ref, alias.Target) |
| 76 | } |
| 77 | if _, official := provider.OpenCodeGoRequestRoute(p.Kind, p.BaseURL, p.RequestURL, p.ChatURL); !official || openCodeGoIdentity(*p) != alias.Identity { |
| 78 | return "", fmt.Errorf("%w: account or endpoint for %q has changed; restore the original connection for %q", ErrMigratedModelUnavailable, alias.Target, ref) |
| 79 | } |
| 80 | return alias.Target, nil |
| 81 | } |
| 82 | |
| 83 | // ModelReferenceError checks alias fallback only when the reference is absent |
| 84 | // from the current catalog. Historical callers must use ResolveHistoricalModel. |
| 85 | func (c *Config) ModelReferenceError(ref string) error { |
| 86 | if _, ok := c.resolveCurrentModel(ref); ok { |
| 87 | return nil |
| 88 | } |
| 89 | _, err := c.resolveOpenCodeGoAlias(ref, false) |
| 90 | return err |
| 91 | } |
| 92 | |
| 93 | // ResolveHistoricalModel validates the original migration identity before |
| 94 | // resolving a saved selection. Unknown non-migrated refs are retained so the |
| 95 | // owning runtime can apply its existing plugin and stale-selection policy. |
| 96 | func (c *Config) ResolveHistoricalModel(ref string) (string, error) { |
| 97 | target, err := c.resolveOpenCodeGoAlias(ref, false) |
| 98 | if err != nil { |
| 99 | return "", err |
| 100 | } |
| 101 | if entry, ok := c.resolveCurrentModel(target); ok { |
| 102 | return entry.Name + "/" + entry.Model, nil |
| 103 | } |
| 104 | return target, nil |
| 105 | } |
| 106 | |
| 107 | // ModelSelectionIdentity records only a digest, never resolved credentials. |
| 108 | // Current selections capture endpoint and model as well as the transport |
| 109 | // identity, so a later resume cannot silently adopt a different connection. |
| 110 | func (c *Config) ModelSelectionIdentity(ref string) string { |
| 111 | entry, ok := c.resolveCurrentModel(ref) |
| 112 | if !ok { |
| 113 | return "" |
| 114 | } |
| 115 | tracked := isOpenCodeGoEntry(entry) |
| 116 | if c.openCodeGoJournal != nil { |
| 117 | for _, alias := range c.openCodeGoJournal.Aliases { |
| 118 | if alias.Target == entry.Name+"/"+entry.Model { |
| 119 | tracked = true |
| 120 | break |
| 121 | } |
| 122 | } |
| 123 | } |
| 124 | if !tracked { |
| 125 | return "" |
| 126 | } |
| 127 | b, _ := json.Marshal([]string{entry.Name, entry.Model, entry.Kind, entry.BaseURL, entry.RequestURL, entry.ChatURL, openCodeGoIdentity(*entry)}) |
| 128 | return openCodeGoDigest(b) |
| 129 | } |
| 130 | |
| 131 | // ResolveSavedModel uses an explicitly persisted choice when present; legacy |
| 132 | // sidecars without that choice retain the original migration protection. |
| 133 | func (c *Config) ResolveSavedModel(ref, identity string) (string, error) { |
| 134 | if identity == "" { |
| 135 | return c.ResolveHistoricalModel(ref) |
| 136 | } |
| 137 | if current := c.ModelSelectionIdentity(ref); current == "" || current != identity { |
| 138 | return "", fmt.Errorf("%w: saved connection for %q has changed; explicitly select a model to use the current connection", ErrMigratedModelUnavailable, ref) |
| 139 | } |
| 140 | entry, _ := c.resolveCurrentModel(ref) |
| 141 | return entry.Name + "/" + entry.Model, nil |
| 142 | } |
| 143 | |
| 144 | func (c *Config) resolveHistoricalWebSearchModel(ref string) (*ProviderEntry, error) { |
| 145 | target, err := c.resolveOpenCodeGoAlias(ref, true) |
| 146 | if err != nil { |
| 147 | return nil, err |
| 148 | } |
| 149 | return c.ResolveWebSearchModel(target) |
| 150 | } |
| 151 | |
| 152 | // OpenCodeGoUpgradeSummary is consumed by the existing startup notice channel. |
| 153 | func (c *Config) OpenCodeGoUpgradeSummary() string { |
| 154 | if c == nil || c.openCodeGoJournal == nil { |
| 155 | return "" |
| 156 | } |
| 157 | j := c.openCodeGoJournal |
| 158 | var parts []string |
| 159 | if len(j.Connections) > 0 { |
| 160 | parts = append(parts, "OpenCode Go connections organized by model API: "+strings.Join(j.Connections, ", ")) |
| 161 | } |
| 162 | if len(j.Skipped) > 0 { |
| 163 | parts = append(parts, "Preserved custom connections: "+strings.Join(j.Skipped, "; ")) |
| 164 | } |
| 165 | return strings.Join(parts, ". ") |
| 166 | } |
| 167 | |
| 168 | func (c *Config) resolveOpenCodeGoAutomaticSearch(current *ProviderEntry, resolve func(*ProviderEntry) *ProviderEntry) *ProviderEntry { |
| 169 | if isOpenCodeGoEntry(current) { |
| 170 | // A migrated chat connection keeps its auxiliary search on the same |
| 171 | // credential reference, even when another account appears earlier. |
| 172 | if c.openCodeGoJournal != nil { |
| 173 | for _, modelSpecific := range []bool{true, false} { |
| 174 | refs := make([]string, 0, len(c.openCodeGoJournal.SearchAliases)) |
| 175 | for ref := range c.openCodeGoJournal.SearchAliases { |
| 176 | refs = append(refs, ref) |
| 177 | } |
| 178 | slices.Sort(refs) |
| 179 | for _, ref := range refs { |
| 180 | alias := c.openCodeGoJournal.SearchAliases[ref] |
| 181 | _, model, _ := strings.Cut(alias.Target, "/") |
| 182 | if alias.Identity != openCodeGoIdentity(*current) || (modelSpecific && model != current.Model) { |
| 183 | continue |
| 184 | } |
| 185 | if entry, err := c.resolveHistoricalWebSearchModel(ref); err == nil { |
| 186 | if selected := resolve(entry); selected != nil { |
| 187 | return selected |
| 188 | } |
| 189 | } |
| 190 | } |
| 191 | } |
| 192 | } |
| 193 | for i := range c.Providers { |
| 194 | if openCodeGoIdentity(c.Providers[i]) != openCodeGoIdentity(*current) || !isOpenCodeGoEntry(&c.Providers[i]) { |
| 195 | continue |
| 196 | } |
| 197 | entry, ok := c.ResolveModel(c.Providers[i].Name) |
| 198 | if ok { |
| 199 | if selected := resolve(entry); selected != nil { |
| 200 | return selected |
| 201 | } |
| 202 | } |
| 203 | } |
| 204 | } |
| 205 | return nil |
| 206 | } |
| 207 |