import re,glob,os,sys
STAGES=[("DDR-HANG",None),("sbl_end","SBL1, End"),("lk","welcome to lk"),("target_init","target_init\\(\\)"),("mmc","MMC card: "),("fastboot","fastboot: processing|fastboot_init"),("jump","Jumping to kernel|booting linux @"),("linux","Booting Linux on physical")]
rows=[]
for f in sorted(glob.glob(sys.argv[1]+"/*.log")):
    L=open(f,errors="replace").read().splitlines()
    starts=[i for i,l in enumerate(L) if "Format: Log Type" in l]
    for n,s in enumerate(starts):
        e=starts[n+1] if n+1<len(starts) else len(L)
        seg=L[s:e]; txt="\n".join(seg)
        g=lambda rx: (re.search(rx,txt) or [None,None])
        sblS=g(r"B -\s+(\d+) - SBL1, Start")[1]; pmd=g(r"D -\s+(\d+) - pm_device_init")[1]
        pmdrv=g(r"D -\s+(\d+) - pm_driver_init")[1]; batt=g(r"batt_voltage=(\d+)")[1]; sbld=g(r"D -\s+(\d+) - SBL1, Delta")[1]
        stage="ddr" if "Pre_DDR_clock_init" in txt else "?"
        if "pm_driver_init" in txt: stage="clk"
        for name,rx in STAGES[1:]:
            if re.search(rx,txt): stage=name
        # previous context: last non-garbage line before start
        prev=""
        for j in range(s-1,max(0,s-40),-1):
            t=L[j][13:]
            if re.search(r"[A-Za-z]{3}",t) and "Format" not in t: prev=L[j][:12]+" "+t.strip()[:70]; break
        # linux uptime at end
        kt=None
        for l in seg[::-1]:
            m=re.match(r"\S+ \[\s*(\d+\.\d+)\]",l)
            if m: kt=float(m[1]); break
        # stock vs new chain
        chain="stock" if "Android Bootloader" in txt and ("pm8x41_get_is_cold_boot" in txt or "Welcome to" in txt) else ""
        rows.append((os.path.basename(f)[:22],L[s][:8],sblS,pmd,pmdrv,sbld,batt,stage,kt,prev))
for r in rows:
    print("%-22s %s sblS=%-6s pmdev=%-5s pmdrv=%-5s sbl=%-6s batt=%-4s %-11s kt=%-9s prev: %s"%r)