import { parametersSchema as z, defineCustomTool } from "@roo-code/types"
import { spawnSync } from "child_process"

export default defineCustomTool({
  name: "git_recent_changes",
  description: "Get recent git commits across all branches as structured JSON. Shows hash, branch, author, date, and message. Useful at session start for situational awareness.",
  parameters: z.object({
    repoPath: z.string().optional().describe("Path to git repo. Defaults to /Users/pplate/git/paisy"),
    count: z.number().optional().describe("Number of commits to return. Default: 15"),
    branch: z.string().optional().describe("Specific branch to query. Default: --all (all branches)"),
  }),
  async execute({ repoPath, count = 15, branch }) {
    const repo = repoPath || "/Users/pplate/git/paisy"
    const args = ["-C", repo, "log", "--oneline", `--max-count=${count}`, "--format=%H|%h|%an|%ai|%D|%s"]
    
    if (branch) {
      args.push(branch)
    } else {
      args.push("--all")
    }

    const result = spawnSync("git", args, {
      encoding: "utf-8",
      timeout: 10000,
    })

    if (result.status !== 0) {
      return `Error: ${result.stderr || "git log failed"}`
    }

    const commits = result.stdout.trim().split("\n").filter(Boolean).map(line => {
      const [hash, shortHash, author, date, refs, ...msgParts] = line.split("|")
      return {
        hash,
        shortHash,
        author,
        date,
        refs: refs || null,
        message: msgParts.join("|"),
      }
    })

    return JSON.stringify(commits, null, 2)
  },
})