Initial commit

scripts/rsw/internal/cmd/price.go

@@ -0,0 +1,145 @@
+package cmd
+
+import (
+	"fmt"
+	"time"
+
+	"github.com/runescape-wiki/rsw/internal/prices"
+	"github.com/runescape-wiki/rsw/internal/render"
+	"github.com/spf13/cobra"
+)
+
+func newPriceCmd() *cobra.Command {
+	return &cobra.Command{
+		Use:   "price <item name>",
+		Short: "Look up Grand Exchange prices for an item",
+		Long: `Fetches real-time GE price data for an item: current buy/sell prices,
+trade volume, and recent trend.
+
+With --ironman, shows alch values and vendor prices instead of GE data.
+
+Examples:
+  rsw osrs price "abyssal whip"
+  rsw rs3 price "blue partyhat"
+  rsw osrs price "dragon bones" --ironman`,
+		Args: cobra.MinimumNArgs(1),
+		RunE: func(cmd *cobra.Command, args []string) error {
+			name := args[0]
+			priceClient := prices.NewClient(GamePriceBaseURL())
+			mc := prices.NewMappingCache(priceClient)
+
+			if err := mc.Load(); err != nil {
+				return fmt.Errorf("failed to load item mapping: %w", err)
+			}
+
+			item := mc.LookupByName(name)
+			if item == nil {
+				matches := mc.SearchByName(name)
+				if len(matches) == 0 {
+					return fmt.Errorf("no item found matching %q", name)
+				}
+				if len(matches) > 1 {
+					md := render.New()
+					md.H2("Multiple items found")
+					md.P("Did you mean one of these?")
+					shown := 0
+					for _, m := range matches {
+						md.Bullet(m.Name)
+						shown++
+						if shown >= 15 {
+							md.P(fmt.Sprintf("...and %d more", len(matches)-15))
+							break
+						}
+					}
+					fmt.Print(md.String())
+					return nil
+				}
+				item = matches[0]
+			}
+
+			md := render.New()
+			md.H1(item.Name)
+			md.KV("Examine", item.Examine)
+			md.KV("Members", fmt.Sprintf("%v", item.Members))
+			md.KV("Store value", render.FormatGP(item.Value))
+
+			if item.HighAlch != nil {
+				md.KV("High Alch", render.FormatGP(*item.HighAlch))
+			}
+			if item.LowAlch != nil {
+				md.KV("Low Alch", render.FormatGP(*item.LowAlch))
+			}
+			md.Newline()
+
+			if Ironman() {
+				md.H2("Ironman Info")
+				md.P("*GE trading unavailable — showing self-sufficient values.*")
+				md.KV("Store value", render.FormatGP(item.Value))
+				if item.HighAlch != nil {
+					md.KV("High Alch value", render.FormatGP(*item.HighAlch))
+				}
+				md.P("Use `rsw item` for drop sources and shop locations.")
+			} else {
+				latest, err := priceClient.GetLatestForItem(item.ID)
+				if err != nil {
+					md.P("*Price data unavailable.*")
+				} else {
+					md.H2("Grand Exchange Price")
+					if latest.High != nil {
+						md.KV("Instant buy", render.FormatGP(*latest.High))
+						if latest.HighTime != nil {
+							md.KV("Last buy", timeAgo(*latest.HighTime))
+						}
+					}
+					if latest.Low != nil {
+						md.KV("Instant sell", render.FormatGP(*latest.Low))
+						if latest.LowTime != nil {
+							md.KV("Last sell", timeAgo(*latest.LowTime))
+						}
+					}
+					if item.Limit != nil {
+						md.KV("Buy limit", render.FormatNumber(*item.Limit))
+					}
+					md.Newline()
+				}
+
+				hourly, err := priceClient.Get1Hour(item.ID)
+				if err == nil && len(hourly.Data) > 0 {
+					recent := hourly.Data[len(hourly.Data)-1]
+					md.H2("Recent Activity (1h)")
+					if recent.AvgHighPrice != nil {
+						md.KV("Avg buy price", render.FormatGP(*recent.AvgHighPrice))
+					}
+					md.KV("Buy volume", render.FormatNumber(recent.HighVolume))
+					if recent.AvgLowPrice != nil {
+						md.KV("Avg sell price", render.FormatGP(*recent.AvgLowPrice))
+					}
+					md.KV("Sell volume", render.FormatNumber(recent.LowVolume))
+					md.Newline()
+				}
+			}
+
+			fmt.Print(md.String())
+			return nil
+		},
+	}
+}
+
+func timeAgo(unixTime int64) string {
+	t := time.Unix(unixTime, 0)
+	d := time.Since(t)
+	switch {
+	case d < time.Minute:
+		return "just now"
+	case d < time.Hour:
+		return fmt.Sprintf("%d min ago", int(d.Minutes()))
+	case d < 24*time.Hour:
+		return fmt.Sprintf("%d hours ago", int(d.Hours()))
+	default:
+		return fmt.Sprintf("%d days ago", int(d.Hours()/24))
+	}
+}
+
+func init() {
+	RegisterCommand(newPriceCmd)
+}