Files

231 lines
8.5 KiB
Go

package main
import (
"context"
"errors"
"fmt"
"os"
"strconv"
commandkit "gitea.maximumdirect.net/eric/CommandKit"
"gitea.maximumdirect.net/eric/CommandKit/integrations/ckconfig"
"gitea.maximumdirect.net/eric/CommandKit/integrations/ckprompt"
configkit "gitea.maximumdirect.net/eric/ConfigKit"
promptkit "gitea.maximumdirect.net/eric/promptkit"
)
type campaign struct {
PromptID string `yaml:"prompt_id"`
PromptVersion string `yaml:"prompt_version"`
ProfileID string `yaml:"profile_id"`
Model string `yaml:"model"`
}
type appConfiguration struct {
DefaultCampaign string `yaml:"default_campaign"`
Campaigns map[string]campaign `yaml:"campaigns"`
}
type inspectionInput struct {
Campaign commandkit.Supplied[string]
Limit commandkit.Supplied[int]
}
type applicationCacheKey struct {
selection ckconfig.Selection
campaign commandkit.Supplied[string]
}
// runCache belongs to one invocation and is shared only where the application
// chooses to pass it to its loaders.
type runCache struct {
applications map[applicationCacheKey]*configkit.Result[appConfiguration]
}
type restoreInput struct {
Campaign commandkit.Supplied[string]
Session string
}
type session struct {
ID string
Campaign string
Summary string
}
func campaignSelector() commandkit.Flag[*inspectionInput] {
return commandkit.ValueFlag(commandkit.FlagMeta{Name: "campaign", Usage: "Select campaign inputs."}, (*string)(nil), parseString,
func(input **inspectionInput, value commandkit.Supplied[string]) { (*input).Campaign = value })
}
func loadApplicationConfig(ctx context.Context, selection ckconfig.Selection, input *inspectionInput, cache *runCache) (*configkit.Result[appConfiguration], error) {
if err := ctx.Err(); err != nil {
return nil, err
}
campaignInput := commandkit.Supplied[string]{}
if input != nil {
campaignInput = input.Campaign
}
key := applicationCacheKey{selection: selection, campaign: campaignInput}
if cache != nil {
if cached, ok := cache.applications[key]; ok {
return cached, nil
}
}
source := configkit.Mapping("composed application settings", map[string]any{
"default_campaign": "spring",
"campaigns": map[string]any{
"spring": map[string]any{"prompt_id": "briefing", "prompt_version": "1", "profile_id": "spring", "model": "spring-model"},
"autumn": map[string]any{"prompt_id": "briefing", "prompt_version": "1", "profile_id": "autumn", "model": "autumn-model"},
},
})
if selection.Config.Set {
source = configkit.File(selection.Config.Value)
}
options := configkit.Options[appConfiguration]{}
if selection.Overlay.Set {
options.Overlay = selection.Overlay.Value
options.Filesystem = &configkit.FilesystemContext{Root: ".", BaseDir: "."}
}
if campaignInput.Set {
options.Overrides = []configkit.Override{{Path: configkit.Keys("default_campaign"), Value: campaignInput.Value, Flag: "--campaign"}}
}
result, err := configkit.Load(source, options)
if err == nil && result != nil && cache != nil {
if cache.applications == nil {
cache.applications = make(map[applicationCacheKey]*configkit.Result[appConfiguration])
}
cache.applications[key] = result
}
return result, err
}
func loadPromptEngine(ctx context.Context, selection ckconfig.Selection, input *inspectionInput, cache *runCache) (*promptkit.Engine, error) {
application, err := loadApplicationConfig(ctx, selection, input, cache)
if err != nil {
return nil, err
}
name, chosen, err := selectedCampaign(application.Config, input.Campaign)
if err != nil {
return nil, err
}
engineConfig := configkit.Mapping("campaign "+name, map[string]any{
"profiles": map[string]any{chosen.ProfileID: map[string]any{
"endpoint": "https://example.invalid/v1",
"model": chosen.Model,
"extra_params": map[string]any{
"campaign": name,
},
}},
"prompts": map[string]any{chosen.PromptID: map[string]any{
chosen.PromptVersion: map[string]any{
"default_profile": chosen.ProfileID,
"inputs": []any{map[string]any{"name": "topic", "required": true, "content_type": "text/plain", "description": "Topic to brief"}},
"messages": []any{map[string]any{"role": "user", "content": "Write a concise briefing about {{.topic}}."}},
"output": map[string]any{"format": "text", "validation_mode": "none"},
},
}},
})
return promptkit.NewEngine(promptkit.Config{Sources: promptkit.ConfigurationSources{Main: &configkit.Input{Source: engineConfig}}})
}
func selectedCampaign(configuration appConfiguration, supplied commandkit.Supplied[string]) (string, campaign, error) {
name := configuration.DefaultCampaign
if supplied.Set {
name = supplied.Value
}
chosen, ok := configuration.Campaigns[name]
if !ok {
return "", campaign{}, fmt.Errorf("unknown campaign %q", name)
}
return name, chosen, nil
}
func newApp() (*commandkit.App, error) {
limitDefault := 0
limitFlag := commandkit.ValueFlag(commandkit.FlagMeta{Name: "limit", Usage: "Override the application item limit."}, &limitDefault, strconv.Atoi,
func(input **inspectionInput, value commandkit.Supplied[int]) { (*input).Limit = value })
inputFactory := func() *inspectionInput { return &inspectionInput{} }
stateFactory := func() *runCache { return &runCache{} }
appScope := ckconfig.FromConfigKit("app", "Application settings.", loadApplicationConfig)
engineScope := ckprompt.ConfigScope(loadPromptEngine)
configCommand := ckconfig.Command(ckconfig.Suite[*inspectionInput, *runCache]{
NewInput: inputFactory,
NewState: stateFactory,
CheckInput: func(scope string, _ ckconfig.Selection, input *inspectionInput) error {
if scope == "app" && input.Campaign.Set && !input.Limit.Set {
return errors.New("application campaign inspection requires --limit")
}
return nil
},
Selectors: []ckconfig.Selector[*inspectionInput]{
{Binding: campaignSelector(), Scopes: []string{"app", "promptkit"}},
{Binding: limitFlag, Scopes: []string{"app"}},
},
Scopes: []ckconfig.Scope[*inspectionInput, *runCache]{appScope, engineScope},
})
definitions := ckprompt.FromEngine(loadPromptEngine)
definitions.NewInput = inputFactory
definitions.NewState = stateFactory
definitions.Selectors = []commandkit.Flag[*inspectionInput]{campaignSelector()}
definitionCommand := ckprompt.Command(definitions)
store := map[string]session{
"session-42": {ID: "session-42", Campaign: "spring", Summary: "A synthetic planning session."},
}
restore := commandkit.NewCommand(commandkit.CommandSpec[restoreInput]{
Name: "restore",
Summary: "Restore a saved session.",
Flags: []commandkit.Flag[restoreInput]{commandkit.ValueFlag(commandkit.FlagMeta{Name: "campaign", Usage: "Campaign owning the session."}, (*string)(nil), parseString,
func(input *restoreInput, value commandkit.Supplied[string]) { input.Campaign = value })},
Arguments: []commandkit.Argument[restoreInput]{commandkit.ValueArgument(commandkit.ArgumentMeta{Name: "ID", Usage: "Session identifier."}, true, parseString,
func(input *restoreInput, value commandkit.Supplied[string]) { input.Session = value.Value })},
Run: func(invocation commandkit.Invocation, input restoreInput) commandkit.Outcome {
if err := invocation.Context.Err(); err != nil {
return commandkit.Failure(err)
}
application, err := loadApplicationConfig(invocation.Context, ckconfig.Selection{}, nil, nil)
if err != nil {
return commandkit.Failure(err)
}
name, _, err := selectedCampaign(application.Config, input.Campaign)
if err != nil {
return commandkit.Failure(err)
}
record, ok := store[input.Session]
if !ok {
return commandkit.Outcome{Kind: commandkit.OutcomeDomain, Status: 4, Domain: "session_not_found", Cause: errors.New("saved session was not found")}
}
if record.Campaign != name {
return commandkit.Outcome{Kind: commandkit.OutcomeDomain, Status: 3, Domain: "campaign_mismatch", Cause: fmt.Errorf("session belongs to campaign %q", record.Campaign)}
}
if _, err := fmt.Fprintf(invocation.Streams.Out, "restored %s: %s\n", record.ID, record.Summary); err != nil {
return commandkit.Failure(err)
}
return commandkit.Success()
},
})
return commandkit.New(
commandkit.Identity{Name: "composed-example", Version: "1.0"},
configCommand,
definitionCommand,
commandkit.Group("session", "Manage saved sessions.", restore),
)
}
func parseString(raw string) (string, error) { return raw, nil }
func main() {
app, err := newApp()
if err != nil {
fmt.Fprintln(os.Stderr, err)
os.Exit(1)
}
outcome := app.Execute(context.Background(), os.Args[1:], commandkit.Streams{Out: os.Stdout, Err: os.Stderr})
if outcome.Status != 0 {
os.Exit(outcome.Status)
}
}